María I 'la Buena' Díaz de Haro, señora de Vizcaya

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María I 'la Buena' Díaz de Haro, señora de Vizcaya

Birthplace: España (Spain)
Death: October 03, 1342 (63-72)
monastery of Perales
Immediate Family:

Daughter of D. Lope Díaz VII de Haro and Doña Juana Alfonso de Molina
Wife of Juan el de Tarifa, señor de Valencia de Campos
Mother of Lope de Castilla y Haro; Maria Díaz de Haro and Juan Yáñez "el Tuerto" de Castilla y Haro, Señor de Vizcaya
Sister of Aldonza López de Haro and D. Diego López de Haro

Occupation: Señora de Vizcaya, Señora de Haro
Managed by: Private User
Last Updated:

About María I 'la Buena' Díaz de Haro, señora de Vizcaya

doña MARÍA Díaz de Haro Señora Soberana de Vizcaya, daughter and heiress of don LOPE Díaz IV de Haro Señor Soberano de Vizcaya & his wife doña Juana Alfonso de Molina ([1274]-monastery of Perales 3 Nov 1342). The mid-14th Century Nobiliario of don Pedro de Portugal Conde de Barcelós names “don Diego…è una hija…doña Maria” as the children of “el conde don Lope” and his wife, adding that María married “el infante don Juan”[760]. Her inheritance was disputed by her uncle don Diego V de Haro, whom her husband defeated.

Infante Juan & Maria had three children:

2. don LOPE Díaz de Haro ([1288]-after 1295).

3. doña MARÍA Díaz de Haro ([1292]-Torrelobatón before 1299). m (1295) as his second wife, don JUAN Núñez de Lara, Señor de Lara y Albarracín, son of don JUAN Núñez de Lara & his second wife doña Teresa Díaz de Haro ([1282]-Burgos after 16 Sep 1315).

4. don JUAN de Castilla "el Tuerto" (after 1293[761]-murdered Toro 2 Dec 1326). The mid-14th Century Nobiliario of don Pedro de Portugal Conde de Barcelós names “don Juan” who was blind in one eye as son of “el infante don Juan” and his wife María[762]. He succeeded as Señor Soberano de Vizcaya, by right of his mother. He disputed power with the Infantes don Felipe and don Juan Manuel, on the accession of King Alfonso XI. The Chronicon Domini Joannis Emmanuelis records that “Dns Joannes filius Infantis Dni Emmanuelis et Dns Joannes filius Infantis Dni Joannis” renounced their tutorship over King Alfonso XI in Aug 1325[763]. Supported by the powerful Haro family, he acquired a position of such power in Castile that the king eventually imprisoned him and ordered his death. The Chronicon Domini Joannis Emmanuelis records that the king ordered the death of “Dnm Joannem, filium Infantis Dni Joannis” in 1326[764]. m dona ISABEL de Portugal Senhora de Pinella e Miranda, daughter of Infante dom AFONSO de Portugal Señor de Portoalegre & his wife doña Violante Manuel [de Castilla-Peñafiel] ([1292]-shortly before 1367). The mid-14th Century Nobiliario of don Pedro de Portugal Conde de Barcelós records that “don Juan el Tuerto” married “doña Isabel, hija del infante don Alonso de Portugal é de doña Violante, hija del infante don Manuel de Castilla é de la infanta doña Constanza de Aragon”[765]. Juan & his wife had one child:

a) doña MARÍA Díaz de Haro ([1320]-[1348/49]). The mid-14th Century Nobiliario of don Pedro de Portugal Conde de Barcelós names “doña Maria” as daughter of “don Juan el Tuerto” and his wife, adding that she married “don Joan Nuñez, hijo de don Fernan Guidella é de doña Juana de Lara”[766]. She succeeded her father in 1326 as Señora Soberana de Vizcaya. “D. Juan Nuñez Señor de Vizcaya y Doña Maria su muger” founded chapels in Burgos Cathedral by charter dated 1346[767]. m (Bayonne 1331) don JUAN Núñez de Lara Señor de Lara, son of Infante don FERNANDO de Castilla Señor de Lara & his wife doña Juana Núñez de Lara ([1314/15]-Burgos 28 Nov 1350, bur San Pablo de Burgos). He succeeded in 1331 as Señor Soberano de Vizcaya, by right of his wife.

Maria Diaz de Haro

Maria Diaz de Haro I, called the Good (c. 1270 - 1342), Tenth Lady of Biscay.

Daughter of Lope Diaz de Haro III, killed in Alfaro (La Rioja) in June of 1288, eighth Lord of Vizcaya (now the province of Vizcaya in the Basque Country (Spain) and a Moncada - Bearne. It was traditional among the firstborn Haro inherit the first part of the compound surname so that a Diego had a Lope Diaz de .... and this, in turn, called the firstborn son Diego and was known as a Diego López de .... In this way between each pair of Diego Lopez de ...., grandson and grandfather, was a Lope Diaz de ...., father and between every two Lope Diaz de ...., grandson and grandfather had a Diego López de .... father. Even though today there are parents who repeat the name in its current first child was running two names grandson to grandfather with two intermediate parents. For example Diego, Pedro, Diego, Pedro .... Most but not changed the first parts of the compound surname of Lee, then Diaz Diaz and another Lopez, although this particular family did too.

So Mary came to the Manor in 1289 after the deaths of his father Lope Díaz de Haro and III Moncada - Bearne his eldest son Diego. But for more confusion and no clear reason appears a Diego López de Haro V called the Intruder, uncle of Maria Diaz de Haro, as she takes the same name as his father is common today for two reasons very medieval Basque: without be it a firstborn or being male. By the mere fact of not being first born she was a Díaz de Haro brothers like his younger sons if any. Give therefore feel that Diego Lopez de Haro V the Usurper, younger brother of Lope Diaz de Haro III and therefore a López de Haro under the rules of succession in the birthright of surnames that are seldom or never discussed among scholars in this family was more than an opportunist or opportunist confusion usually unaware of the peculiarities of this particular family. Not only the uncle, known as Diego Lopez de Haro V, openly wrested 1295 successor title to his nephew, Diego Lopez de Haro IV, died without issue in 1289 but the death of this and after a period of litigation would lead to agreement between Basques, sanctioned by the Regent and Guardian Dowager Queen of Castile María de Molina that Maria Diaz de Haro again hold the lordship passed to her by the death of his father murdered and his elder brother and successor, also died shortly thereafter, when his uncle "The Intruder" died.


Daughter III Lope Díaz de Haro and Moncada - Bearne. The mother, Juana Molina and Lara, the daughter of Infante de Castilla Alfonso de Molina and Swabian and Lara married for a peace pact with the Prince at first marriage of it). Maria Diaz de Haro was married at a young age with the Infante Juan of Castile, Lord of Valencia de Campos who was brother of King Sancho el Bravo. Son's wedding this second son of Alfonso X of Castile "The Wise" was held on January 10th of 1287. Their children were John (Yañez de Castilla) The Eye, murdered 1326, Lopez and Alonso. The latter two died without leaving a successor.

[Edit] First stint as head of the Manor

The year after his wedding on June 8 of 1288, died in Alfaro his father in an argument with Sancho IV of Castile and Leon, who was present at the King's brother Sancho, her husband the Castilian Infante Juan (Alfonsez of Castile ), who entered prison for this. The vacant by the assassination Lordship passed to Mary's eldest son and brother, Diego Lopez de Haro IV and Molina - Lara that kept disputes with the brother of both the King later successor Sancho IV of Castile and Leon. The reason for the quarrels of these two masters of Biscay was that both were good to put the detriment of the second son Sancho in the Castilian throne potential successors successor and eldest son of the late Castilian Alfonso de la Cerda. Thus, the turbulent and pugnacious royal Infante Sancho, formally disowned by his father, King Alfonso X the Wise when, apparently, the Cortes of Castile, with the exception of Seville, among others, had been deposed as king of Castile and Leon on at the time called "The deeds of the Empire" ended invading Vizcaya. These "deeds of the Empire" have to do with the performance in 1277 without any kind of forgiveness of the brother of King Alfonso X the astrologer (adjective of the Nobility and the Clergy of the time to mention his King and Lord), Prince Fadrique of Castile and of Swabia and his son Simon Ruiz of Cameros, Lord of the Cameros, Rioja, as well as attempts to levy tax by Alfonso X, just as done by King Carlos I of Spain in 1520, to purchase the vote of electors palatine of the Holy Roman Empire since the mother's brother executed Fadrique and Alfonso X were children of Beatrice of Swabia. Diego Lopez IV died in 1289, just a year after his father died, leaving no descendants, so the title passed to belong to Mary, according to opinion of the Basques, although real power was in fact by the force of weapons in the hands of Sancho IV.

This first period lasted Lady of Biscay since 1289 until 1295.

[Edit] Usurpation of Lordship

On April 25, 1295 the Castilian king dies Sancho el Bravo and he replaced his son Ferdinand IV with only nine. It opens a turbulent period of power struggles in the Castilian court, ruled by the widow of King Sancho and Tutor of King Ferdinand IV child María de Molina which is used by Diego Lopez de Haro V, with the support of James II, King of Aragon, Vizcaya and snatch to take the estate to her niece Mary and the Lord's consort, her uncle John Alfónsez Castilian Infante.

Diego Lopez de Haro V did not find any opposition to its entry into the Lordship, in large part by the husband (Lord Consort of Biscay) of Mary, the Castilian Infante of Castile Juan Alfonsez was in prison for the events of Alfaro. This action earned the nickname Diego Lopez V of the Intruder.

When left free the Castilian Prince Consort and Lord of Biscay Alfonsez Don Juan of Castile, tried to get them to return the Lordship on behalf of the owner and his wife Mary, and failed, he joined other discontented, to combat the Queen Regent Maria de Molina and Meneses, sister of Mrs. Joanna widow of Biscay (the mother of Maria Diaz de Haro), which of course was defended by Diego Lopez de Haro V "The Intruder".

The life of the Castilian Infante Don Juan Alfónsez was marked from then until his death in battle against the Nazari Granada some 25 years later, the conspiracies against the Castilian-Leonese court of his brother's wife and Regent Dowager Queen Maria de Molina and Meneses, either to enforce the rights of other members of the royal family to the throne, or defending his wife to the Lordship of Biscay. The Queen Dowager, Regent and Tutor, Maria de Molina and Meneses, besides the widow sister Juana Molina Vizcaya and Lara and therefore "aunt" Maria Diaz de Haro was also "aunt" of her own husband Prince and then King Sancho "El Bravo". This had been used by dissident groups 'legitimacy' and Aragonese Biscayans at a time that was stated by the papacy in Rome as marriage "null", which made the oldest son of both, the later King Ferdinand IV, unworthy of succession to the Crown of Castile and Leon, weighing more than other members of the royal family.

The Roman Papacy and then corrected Aviñonense such decisions but through the pressures and political changes of the French king and large donations to the famous Lord sunk and Corporate Finance and Fishing "allendelmar" Don Alonso Perez de Guzman " The Well, "Lord of Sanlúcar (Cádiz), killed in battle on the border Nazari (Gaucin Castle) with the locals and troops Templar an 1309. The Guzmans of Sanlúcar (Cádiz), but also Arabized Germanized name as you want and may have even several different initial Guzmanes provenance, would be conveniently "Castilianized" by Barr in the sixteenth century and are the ancestors of the Dukes of Medina Sidonia. Calls Revulgo Couplets de Mingo, the fifteenth century, and many contemporary documents refer to these connotations but possible.

Is this the reason for the origin of the powerful family for several centuries, the "Infantes de la Cerda. Therefore, winding and through genealogical reasons prepared by the Basque Chancellor Pedro Lopez de Ayala, who died in 1407, one of the first "nationalist" Basques in the fourteenth century, since 1380, the Kings Trastamara Castilians and their successors, Habsburg and Bourbon have always been agreed Sovereigns of Biscay.

Once legalized the succession "irregular" for the papacy of Sancho IV and Ferdinand IV, in March 1307 reunited the General Meetings of the Lordship of Biscay in Arechabalaga Don Diego "The Intruder" recognizes Maria Diaz de Haro as a legitimate heir to the Lordship and required to be accepted as Lady of Biscay when he dies, what will happen in 1310.

[Edit] Second stint as head of the Manor

In the early days of the year 1300 Diego Lopez de Haro V, based Bilbao and falls dead in 1309 during the siege of Algeciras where it was, next to King Ferdinand IV, the war against the Muslims.

Maria Diaz de Haro had at first some claims by his "cousin" Lope Diaz de Haro, son and heir of the former Lord agreed, Diego Lopez de Haro V "The Intruder". Regret the resignation of the Lordship had done and trusting in the favor of King Ferdinand IV of Castile and opposition that he continually raised the king the Castilian Infante Don Juan, the husband of Maria, tried by every means at its disposal, deprive his lordship premium. But nothing could get neither the king nor the Castilian court, mainly thanks to a new intervention of the queen mother, guardian before Maria de Molina and Meneses, sister Maria's mother, Juana Molina and Lara. Consequently, Dona Maria Diaz de Haro was final and peaceful as holder of the Lordship of Biscay.

Dead in the year 1312, King Ferdinand IV, the location, was the Infante Don Juan, the husband of Maria Diaz de Haro, as guardian and ruler of the kingdom of Castile. Regularly accompanied the Prince Don Pedro in the battles and tasks retaken. When you try to take the city of Granada, the Christian troops were attacked and defeated by the Saracens at about 15 km from that city in Pinos Puente, the place still known even today as Cerro de los Infantes. In this skirmish killed many Christians, including two infants, Don Pedro Sanchez de Castilla, Rey Infante child's uncle Alfonso XI of Castile and his uncle Don Juan Alfonsez of Castile and Aragon, consort Lord of Biscay. Was on June 26th of 1319. The body of the Infante Don Juan was transferred to Burgos, in whose cathedral lie the remains.

During his mandate legitimizing the founding charter of Bilbao (1310) and founded the towns of Portugalete, in 1322; Lequeitio in 1325 and Ondarroa, in 1327.

Maria Diaz de Haro I "Good" fought to defend the interests of Biscay even against the kings of Castile, as was daughter of Alfonso X, a sister of Sancho IV "The Brave", a niece of the Queen Dowager, Regent and Tutor Maria de Molina and Meneses, and immediate family of her son as Ferdinand IV of Castile and Leon "The Set" and the grandson of Sancho IV, Alfonso XI "The Righteous".

History has recognized the great work that this lady developed in front of the Manor and has been forwarded by the nickname of the Good. The shrewd, conciliatory and negociadore and Regent Dowager Queen Maria de Molina y Meneses by mother) and her niece Maria Diaz de Haro I and Molina are among Europe's most notable female politicians of the time.

In 1322, this average Castilian, widow of her husband the Castilian Infante Juan (Alfonsez de Castilla), brother of King Sancho IV (Alfonsez de Castilla), founded the convent of Dominican nuns of Valencia de Campos, making habits Perales and is removed, leaving XII Lord of Biscay and his son John (Yañez de Castilla) One Eye had been in court as guardian of Alfonso XI, where there were outstanding for their correct behavior. John "The Eye" serious XII Lord only 4 years to be killed via Alfonso XI in 1326, as did his grandfather in 1288 was by mediation of Sancho IV, together with Garcilaso de la Vega I, founder of a saga many Garcilaso de la Vega, poets and warriors extrapeninsulares Cantabrians and interesting lives in the next three centuries.

This period in front of the Lordship of Maria Diaz de Haro I extends in 1310 until his retirement in 1322.

[Edit] Assassination of John the Eye

The claims of John to extend their influence to arrange the marriage with the granddaughter of the King of Aragon, in imitation of restless and unruly character of actual casework, poorly described as "Infant", writer Don Juan Manuel Alfonso XI lead to order their death. In 1326 it killed "The Eye" and her mother is forced to come out of retirement convent to return to take charge of the Manor.

[Edit] Third period against the Lordship

The king tried to buy the rights to Lord of Biscay but Mary refused to sell. Sale of the convent and begin a new term compared to the Lordship.

In 1334 resigned again, this time for her granddaughter, also named Maria, Maria Diaz de Haro II and who was the daughter of John the Eye and Isabel of Portugal. There Infanta Isabel of Portugal King of Portugal to know. The only Queen consort of Portugal at the time of Aragon and Isabel's name no ascendants or descendants with that name. The young Maria Diaz de Haro II was to marry Juan Nunez de Lara IV and rule Vizcaya under the name of Maria Diaz de Haro II.

This term of office runs from 1326 to 1334.

Maria Diaz de Haro I, tenth Lady of Biscay and seventies died at dawn on a Wednesday, the day October 3rd year 1342.


FMG MedLands Vizcaya

María Díaz I de Haro "the Good" (1270–1342) was a Spanish noblewoman of the House of Haro. She was the daughter of Lope Díaz III de Haro who was assassinated by order of the king at Alfaro, La Rioja. She is best known for being the Lady of Biscay and for her lifelong battle against her uncle, Diego López V de Haro, for the title of the lordship of Biscay.

Family Origins

Maria was the daughter of Lope Díaz III de Haro and, Juana Alfonso de Molina. She inherited the title of Lord of Biscay from her brother Diego López de Haro IV upon his death in 1288, which passed briefly to her husband, John of Castile and which was later taken from her by her uncle, Diego López V de Haro during the unrest following the death of Sancho IV of Castile and the rise to power of his young son, Ferdinand IV of Castile. Her paternal grandparents were Diego López III de Haro and Constanza de Bearne.

Maria's brother was Diego López IV de Haro. She was the great granddaughter of the king, Alfonso IX of León.


Maria obtained the title of Lord of Biscay as she was next in line after her father, Lope Díaz III de Haro, died in 1288 and her elder brother, Diego López IV de Haro, died after just one year of holding the title in 1289.

Death and legacy

María I Díaz de Haro died on 3 October 1342 of old age.

Maria continuously fought for the interests of Biscay including entering into several disputes with the crown of Castile. She is remembered in history as having contributed greatly to the development of Biscay, gaining the nickname the good. Together with Maria de Molina, she was known as one of the most notable and accomplished political women of her time.

Marriage and Descendants

From her marriage with John of Castile, the following children were born:

  1. Juan de Haro (b. ? - d. 1326) - Inherited all the possessions of his mother and father, married Isabel de Portugal y Manuel, daughter of the infante Alfonso of Portugal and granddaughter of King Alfonso III of Portugal. Assassinated in Toro in 1326 by order of King Alfonso XI of Castile.
  2. Lope Díaz de Haro (b. - d. 1295) - Died during his childhood.
  3. María Díaz de Haro (b. - d. 1299) - Married Juan Núñez II de Lara el Menor, head of the House of Lara who would go on to marry the daughter of Diego Lopez V de Haro, María. Died without leaving descendants


Acerca de María I 'la Buena' Díaz de Haro, señora de Vizcaya (Español)

María Díaz de Haro, llamada la Buena (c.1270-3 de octubre de 1342), fue la décima señora de Vizcaya. Fue hija de Lope Díaz III de Haro, asesinado en Alfaro, La Rioja, en junio de 1288, octavo señor de Vizcaya, y de Juana Alfonso de Molina.


María accedió al Señorío en 1289 después de las muertes de su padre Lope Díaz III de Haro y su primogénito Diego.

Primer período al frente del Señorío

Al año siguiente de su boda, el 8 de junio de 1288, falleció en Alfaro su padre en una discusión con Sancho IV de Castilla en la que estaba presente el hermano del rey, el infante Juan, quien entró en prisión por este asunto.

El señorío vacante por el asesinato pasó a manos del primogénito y hermano de María,

Diego López IV de Haro que mantenía disputas con el cuñado de ambos, el luego rey Sancho IV. La razón de las disputas de estos dos señores de Vizcaya era que ambos eran propicios a poner en detrimento del segundón Sancho en el trono castellano a los sucesores eventuales del fallecido sucesor y primogénito castellano Alfonso de la Cerda. Así pues, el turbulento y peleón infante Sancho, desheredado formalmente por su padre el rey Alfonso el Sabio cuando, aparentemente, las cortes de Castilla, con la excepción entre otros de los sevillanos, lo habían destituido como rey de Castilla y León por los llamados en la época «Los fechos del Imperio» acabó invadiendo Vizcaya.

Este primer período al frente del señorío de Vizcaya se extendió desde el año 1289 hasta 1295.

Usurpación del señorío

El 25 de abril de 1295 falleció el rey Sancho IV y fue sucedido por su hijo Fernando IV que contaba solamente con nueve años de edad. Se abrió un periodo turbulento de luchas de poder en la corte castellana, regida por la viuda del rey Sancho María de Molina, tutora del rey niño Fernando IV, situación que fue aprovechada por Diego López V de Haro, con apoyo de Jaime II, rey de Aragón, para ocupar Vizcaya y arrebatar el señorío a su sobrina María y a su marido, Juan de Castilla el de Tarifa.

Diego López de Haro V no encontró oposición alguna a su entrada en el señorío, en buena parte porque el marido de María se encontraba en prisión por los sucesos de Alfaro. Esta acción le valió a Diego López V de Haro el sobrenombre de el Intruso.

Al quedar libre el infante castellano y señor consorte del señorío de Vizcaya, Juan, intentó conseguir que le devolvieran el señorío en nombre suyo y el de la titular su esposa María, y al no conseguirlo, se unió a otros descontentos, para luchar contra la reina regente María de Molina, defendida por Diego López V de Haro el Intruso.

Una vez legalizada la sucesión considerada irregular por el papado de Sancho IV y de Fernando IV, en marzo de 1307 reunidas las Juntas Generales del señorío de Vizcaya en Arechabalaga, Diego el Intruso reconoció a María como legítima heredera del señorío, pidiendo que fuese aceptada como señora de Vizcaya a su muerte, lo que ocurrió en 1309.

Segundo período al frente del señorío

En los primeros días del año 1300 Diego López V de Haro, fundó Bilbao. Falleció en 1309 durante el sitio de Algeciras donde estaba, junto al rey Fernando IV, guerreando contra los musulmanes.

Al principio, María tuvo algunas reclamaciones por parte de su primo Lope Díaz de Haro, hijo de Diego López V de Haro el Intruso. Arrepentido de la renuncia que había hecho del señorío y confiando en el favor del rey Fernando IV de Castilla y en la oposición que continuamente le planteaba al rey el infante castellano Juan, marido de María, intentó, por todos los medios a su alcance, privar a su prima del señorío. Pero nada pudo conseguir ni del rey ni de la corte castellana gracias, sobre todo, a una nueva intervención de la reina madre María de Molina hermana de la madre de María, Juana Alfonso de Molina. En consecuencia, María Díaz de Haro quedó como definitiva y pacífica poseedora del señorío de Vizcaya.

Muerto, en el año 1312, el rey Fernando IV, quedó el infante Juan, esposo de María Díaz de Haro, como tutor y gobernador del reino de Castilla. Acompañaba asiduamente al infante Pedro en las batallas y en las tareas reconquistadoras. Al intentar tomar la ciudad de Granada, las tropas cristianas fueron atacadas y derrotadas por los sarracenos a unos 15 km de esa ciudad, en Pinos Puente, en el lugar conocido aún hoy todavía como Cerro de los Infantes. En aquella escaramuza, que tuvo lugar el 26 de julio de 1319, perdieron la vida muchos cristianos y, entre ellos, los dos infantes, Pedro Sánchez de Castilla, tío del rey niño Alfonso XI de Castilla y su tío Juan de Castilla el de Tarifa, señor consorte del señorío de Vizcaya.

María luchó por la defensa de los intereses de Vizcaya incluso contra los reyes de Castilla, ya que fue nuera de Alfonso X, cuñada de Sancho IV «El Bravo», sobrina de la reina viuda, regente y tutora María de Molina y, por tanto, parienta cercana del hijo de ésta Fernando IV de Castilla y del nieto de Sancho IV, Alfonso XI de Castilla.

La historia ha reconocido la gran labor que desarrolló frente del señorío de Vizcaya y le ha transmitido el sobrenombre de la Buena. La astuta, conciliadora y negociadora María de Molina y su sobrina María Díaz de Haro fueron dos de las mujeres políticas europeas más notables de la época.

En 1322, ya viuda, fundó el convento de dominicas de Valencia de Campos, tomando los hábitos en el monasterio de Santa María de la Consolación de Perales donde se retiró, dejando como sucesor a su hijo Juan de Haro el Tuerto.

Este período al frente del Señorío de María Díaz de Haro se extendió desde 1310 hasta su retiro en 1322.

Asesinato de Juan el Tuerto Las pretensiones de Juan de extender sus influencias al acordar la boda con la nieta del rey de Aragón, imitando así al inquieto y díscolo personaje de antecentes reales, Don Juan Manuel llevan a Alfonso XI a ordenar su muerte, lo cual obligó a María a salir de su retiro conventual para volver a ponerse al frente del señorío.

Tercer período frente del Señorío

Aunque el rey Alfonso XI de Castilla intentó comprar los derechos de posesión del señorío de Vizcaya, María se negó a venderlos, volviendo a estar frente del señorío. En 1334 renunció de nuevo, esta vez a favor de su nieta homónima María Díaz de Haro, hija de Juan de Haro, llamado «el Tuerto», y de Isabel de Portugal y Manuel. La joven María Díaz de Haro se casaría con Juan Núñez III de Lara y gobernaría Vizcaya.

Este período de gobierno se extendió desde 1326 hasta 1334. María falleció ya septuagenaria al alba de un miércoles, 3 de octubre de 1342.

Matrimonio y descendencia

De su matrimonio con Juan de Castilla el de Tarifa nacieron los siguientes hijos:

Juan de Haro (m. 1326). Heredó las posesiones de sus padres y contrajo matrimonio con Isabel de Portugal y Manuel, hija del infante Alfonso de Portugal, y nieta del rey Alfonso III de Portugal. Fue asesinado en Toro en 1326 por orden de Alfonso XI de Castilla y León.

Lope Díaz de Haro (m. después de 1295); fallecido durante su juventud.

María Díaz de Haro (muerta c. 1299). Contrajo matrimonio con Juan Núñez de Lara el Menor, señor de la Casa de Lara. Falleció sin dejar descendencia.

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María I 'la Buena' Díaz de Haro, señora de Vizcaya's Timeline