| Children |
| | 1. Alfonso X "The Wise" King of Leon & Castile, b. 23 Nov 1221, Toledo,Castile,Spain d. 4 Apr 1284, , Sevilla, Sevilla, Spain (Age 62 years) |
| | 2. Manuel Fernandez Prince of Castile And Lbeon, b. 1236, Carrion de los Condes, Palencia, Spain d. Dec 1283, , Penafile, Valladolid, Spain (Age 47 years) |
| | 3. Fernando Fernandez, b. Bef 15 Jan 1227, , Cuenca, Cuenca, Spain d. Aft 1243 (Age > 17 years) |
| | 4. Felipe Fernandez, b. Aft 1231, of, Toledo, Castile d. 28 Nov 1274, , Sevilla, Castile (Age < 41 years) |
| | 5. Leonor Fernandez Princess of Castile And Lbeon, b. Aft 1232, of, Toledo, Toledo, Spain d. (Young)  |
| | 6. Berenguela Fernandez, b. Abt 1234, of, Toledo, Toledo, Spain d. 1279 (Age 45 years) |
| | 7. Fadrique Fernandez Prince of Castile And Lbeon, b. Bef 6 Jun 1224, , Guadalajara, Guadalajara, Spain d. 1277 (Age > 52 years) |
| | 8. Enrique Fernandez "The Senator" Prince of Castile, b. Aft 1230, of, Toledo, Castile d. 8 Aug 1304, , Roa, Burgos, Castile (Age < 72 years) |
| | 9. Sancho Fernandez, b. 1233, of, Toledo, Toledo, Spain d. 27 Oct 1261 (Age 28 years) |
| | 10. Mayor Fernandez, b. Bef 5 Nov 1235, of Toledo, New Castile, Spain d. Bef 5 Nov 1235, of, Toledo, Toledo, Spain (Age < 0 years) |
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