- Born in 1270
- Deceased in 1333 in Piedrahita de Castro, at the approximate age of 62 years
- Burial in Burgos, at abbaye de las Huelgas
Parents
- Fernando Ier de La Cerda (1255 - 1275), príncipe de Castilla
- Blanche (Capétiens), Blanche de France (1253 - c. 1321)
Family
- Married with Mathilde de Brienne, issuing
Inès- Juan Alonso
- Alfonso II (1289 - 1327)
- Luis (1291 - 1348)
- Juan Alfonso (1303 - 1347)
- Married with N N, issuing