Sancho Alfonso, 1st Count of Alburquerque

Illegitimate son of Alfonso XI of Castile (1342–1374)

Parents

• Eleanor de Guzmán
• Alfonso XI of Castile and Leon

Children

• Fernando de Castela, Conde de Alburquerque
• Leonor Sánchez de Castilla
• Eleanor of Alburquerque

Siblings

• Sancho Alfonso de Castilla
• Juana Alfonso de Castilla
• Juan Alfonso de Castilla
• Fadrique Alfonso, Lord of Haro
• Fernando Alfonso de Castilla
• Pedro de Aguilar
• Pedro Alfonso de Castilla
• Tello de Castilla, Lord of Aguilar de Campoo
• Pedro I of Castile and Leon
• Henry II of Castile

Partners

• NN
• Beatrice, Countess of Alburquerque