Alfonso XI, called the Avenger, was King of Castile and León. He was the son of Ferdinand IV of Castile and his wife Constance of Portugal. Upon his father's death in 1312, several disputes ensued over who would hold regency, which were resolved... Wikipedia
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