Born: August 13, 1311, Salamanca, Spain
Died: March 26, 1350 (age 38 years), Gibraltar
Children: Henry II of Castile, Pedro I of Castile, Fadrique Alfonso, and more
Parents: Ferdinand IV of Castile and Constance of Portugal
Spouse: Maria of Portugal (m. 1328–1350), Constanza Manuel (m. 1325), and Eleanor de Guzmán (m. ?–1350)
Great grandchildren: Henry III of Castile, Ferdinand I of Aragon, Catherine of Lancaster, and more
Grandchildren: John I of Castile, Constance of Castile, Duchess of Lancaster, Eleanor of Alburquerque, and more