Immediate Family
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husband
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mother
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father's partner
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half sister
About D.Urraca Afonso de Portugal
-http://fmg.ac/Projects/MedLands/CASTILE.htm#UrracaAlfonsoMAlvaroPer...
15. [URRACA Alfonso . Europäische Stammtafeln shows that Urraca Alfonso, illegitimate daughter of King Alfonso X, married "Pedro Núñez de Guzmán"[1123]. Szabolcs de Vajay, on the other hand, says there is "no further record" of his daughter Urraca Alfonso[1124]. Salazar y Castro states that Urraca Alfonso married "Álvaro Pérez de Guzmán"[1125], although in another section of his work he names the wife of Álvaro Pérez de Guzmán as "doña María de la Cerda Señora de Gibraleón"[1126]. It is possible that Europäische Stammtafeln has confused this Urraca with Urraca, daughter of Alfonso IX King of León, who married Pedro Núñez de Guzman. The contradictory evidence provided by Salazar y Castro has not yet been explained.
m ÁLVARO Pérez de Guzmán, son of NUÑO Guillén de Guzmán & his wife Teresa Álvarez de Manzandeo (-after 1280).]