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Alfonso X the Wise of Castile
Violante of Aragon
(Bef 1236-1301)
Sancho IV the Fierce of Castile
Maria Alfonsa de Molina
(After 1260-1321)
Fernando IV the Summoned of Castile


Family Links

1. Costanza of Portugal

Fernando IV the Summoned of Castile 631

  • Born: 6 Dec 1285, Seville, Spain
  • Marriage (1): Costanza of Portugal in 1302 in Valladolid, Spain
  • Died: 7 Dec 1312, Jaen

  Noted events in his life were:

• Acceded: 1295. King of Castile & León.


Fernando married Costanza of Portugal, daughter of Denis the Farmer of Portugal and Isabel of Aragon, in 1302 in Valladolid, Spain. (Costanza of Portugal was born on 3 Jan 1290, died on 18 Nov 1313 in Sahagun and was buried in Valladolid, Spain.)