4412. King Alfonso XI of Castile. Born on 13 Aug 1311 in Salamanca. Alfonso XI died in Gibraltar on 26 Mar 1350; he was 38.
On 28 Mar 1325 when Alfonso XI was 13, he first married Costanza Manuel de Castile (4344) , daughter of Juan Manuel de Castile (5 May 1282-1348) & Constanza de Aragon (4036) (-19 Aug 1327), in Valladolid. Born in 1323. Costanza Manuel died on 13 Nov 1345 in Santarem. Buried in Church of San Francisco, Santarem. Marriage was annulled in 1327.