Peter of Castile king of Castile and León from 1350 to 1369 (1334–1369) Parents Maria of Portugal Alfonso XI of Castile and Leon Children Isabella of Castile, Duchess of York Jean de Castille Edward de Castilla Constance of Castile, Duchess of Lancaster Diego de Castilla María de Ayala Sancho de Castilla Siblings Juan Alfonso de Castilla Juana Alfonso de Castilla Pedro Alfonso de Castilla Tello de Castilla, Lord of Aguilar de Campoo Pedro de Aguilar Sancho Alfonso, 1st Count of Alburquerque Sancho Alfonso de Castilla Henry II of Castile Fadrique Alfonso, Lord of Haro Fernando Alfonso de Castilla Partners Teresa de Ayala Isabel de Sandoval María de Padilla Blanche of Bourbon Joan of Castro
