Traditionally seen as the wife of Renauld de Courtenay, Seigneur de Courtenay, but it seems more likely she was the second wife of Reginald I de Courtenay, 1st lord of Sutton. No children.

Maud fitzRobert fitzRoy, Dame du Sap

daughter of Rober fitzRoy and Matilda d'Avranches

wife of Renaud de Courtenay (confusion in some sources)

Hugh Chisholm in the Encyclopedia Britannica Vol 7 (1910), p. 324-325, says that Reinaud Courtenay, who was given (by King Henry II) Berkshire lands in Sutton called Sutton Courtenay, married Maude daughter of Robert FitzRoy, and that Maude's mother Maude was heiress to Okehampton and the house of Brionne. Though Reinaud Sr. had no sons or children with Maud, his sons by a previous marriage were Robert and Reinaud (Jr.).

Robert married Alice de Rumelli, widow of Gilbert Pipard, and died childless.

Reinaud (Jr) in 1178, with his wife Hawise de Ayencourt, was given by the pope a license to have a chapel at Okehampton. Hawise was the half sister of Reinaud's father's second wife Maude, both daughters of Maud d'Avranches but Hawise was the daughter of her mother's first husband, the lord of Ayencourt, and her inheritance included the honor of Okehampton. Her son Robert de Courtenay succeeded her, and married Mary de Vernon.

Note from Pam Wilson: I have not been able to find any evidence of any Aincourt or Ayencourt, but Hawise's father seems to have likely been Maud the mother's first husband Robert d'Avranches or (less likely) a possible second or third husband William de Courcy.

So by this account we have Maud d"Avenel marrying Robert d'Avranches, with daughter Hawise who married Rainaud/Reginald de Courtenay II. Then we have Maud d'Avenell's daughter Maud (by her marriage to Robert FitzRoy FitzEdith) marrying Rainaud/Reginald de Courtenay I (father of her half-sister's husband). Hence the source of much confusion.

From Medlands: http://fmg.ac/Projects/MedLands/ENGLAND,%20Kings%201066-1603.htm

MATILDA (-1224).

• The Fundationis et Fundatorum Historia of Ford Abbey names “Matildam” as the daughter of “Roberto filio regis Henrici primi notho” and his wife “Roberto de Abrincis id est de Averinges”, adding that she married “Reginaldo de Courtenay…filio suo Willielmo de Courtenay”[229].
• Dame du Sap.
• Bracton records a claim, dated 1222, by "Matillis de Curteney" (1) against "Robertum de Curtenay" concerning "manerium de Ocumptona", which records that "Robertus" claimed that the land was "hereditas Matillidis de Aueregnes" who had "duas filias…Hawisiam matrem suam primogenitam [%E2%80%A6filia Gaufridi de Crimes primi viri Matillidis de Auerenches] et…Matillidem", the claimant Matilda replying that she had the land in question "ex dono Roberti filii Regis patris eiusdem Matillidis et secundi viri predicte Matillidis de Auerenches", and (2) against "Reginaldum de Curtenay" concerning "manerium de Chaunelega"[230].
• Bracton records a claim, also dated 1222, by "Matillis de Curtenay" against "Robertum de Curtenay" concerning "manerium de Chamelegha" which states that "Robertus filius Regis…Matillidem de Auerenches uxorem suam" held the land which was inherited by "Hawisie filie sui matri eiusdem Roberti de Curtenay que fuit filia Willelmi de Curcy viri eiusdem Matillidis", and names "Matillidem de Abrincis et Matillidem de Curtenay filiam eius"[231].

m GUILLAUME de Courtenay, son of RENAUD Sire de Courtenay & his first wife Helvise de Donjon (-before 1190). [NOTE: this may be an error in the MedLands database since the Latin just quoted says that she married Renaud (Reginald) de Courtenay...]

Biography

Douglas Richardson, Post at SGM, 6 November 2019 < GoogleGroups >

Reynold de Courtenay, of uncertain parentage. He married (1st) an unidentified wife, ____, kinswoman of Queen Eleanor of Aquitaine. They had three sons, William, Robert, and Reynold, and one daughter, Egeline. He married (2nd) after 1173 Maud FitzRobert. He was first recorded as holding lands in Devon in 1175-6. Sometime prior to his death, he granted two islands in the Thames between Witteneiam [?Wittenham] and Wadeiam [?Waddeson] to Abingdon Abbey. He died before Michaelmas 1191. In 1204-5 the king presented to the chapel of Musbury, Devon, which should have been in his widow, Maud's gift. In 1215 the king directed the Constable of Wallingford to deliver to her seisin of the vill of Waddesdon, Buckinghamshire, which formed part of her dower. In 1220 she sued Robert de Courtenay an Reynold de Courtenay (her nephews and step-grandsons) for the manors of Oakhampton, Chawleigh, Chulmleigh, Kenn, and Musbury, and Sampford, Devon and Hemington, Somerset, which she claimed as her right; Robert answered that no claims under French titles were valid; Maud rebutted that the properties were in England and she was English. Maud died shortly before 3 August 1224. In 1227 a mandate was sent to the sheriff of Gloucestershire ordering him to make enquiry of Peter FitzHerbert concerning scutage for the manor of Okehampton, Devon which belonged to Maud de Courtenay.

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from thePeerage.com:

Maud FitzRoy, Dame du Sap1 F, #104664, d. 1224

Last Edited=23 Oct 2007

Maud FitzRoy, Dame du Sap is the daughter of Robert fitz Edith, Baron of Okenhampton and Matilda d'Avranches, Dame du Sap.1

She married Renaud de Courtenay, Seigneur de Courtenay, son of Miles de Courtenay, Seigneur de Courtenay and Ermengarde de Nevers.1 She died in 1224, without issue.1

Maud FitzRoy, Dame du Sap gained the title of Dame du Sap.1

Citations

1. [S37] Charles Mosley, editor, Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes (Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, 2003), volume 1, page 1122. Hereinafter cited as Burke's Peerage and Baronetage, 107th edition.

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• http://freepages.rootsweb.com/~elessar5/genealogy/pafn1777.htm Reginald de Courtenay (along with his son William de Courtenay) went to England upon the King's promise to greatly promote him there. … Soon after his arrival the King arranged the marriages of Reginald and William to his wards, the half sisters, Hawise, daughter of Robert de Abrincis and Matilda, daughter of Robert Fitz Ede. (This needs to be sorted out)