Family: Sancho Alfons IV King of Castile / Maria Alfonsa of Molina (F179823)
m. Jul 1281Alfonso X King of Castile (1221-1284) 
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Yolande of Aragon (1236-1301)
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Ferdinand de la Cerda (1255-1275)  |
| Alfonse Fernandez of Castille (1203-1271)
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| Alonso Villanueva of Meneses (1222-1265) |
| Sancho Alfons IV King of Castile (1258-1295)
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| Maria Alfonsa of Molina (1265-1321)
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| Ferdinand IV Sanchez King of Castile (1285-1312) |
| Beatrix of Leon (1293-1359) |