King Fernando IV De Castilla Y Leon
1285 - 1312 (27 years)(
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- 1 King Fernando IV De Castilla Y Leon [1] b. 1285 d. 1312
- Constanca De Portugal b. 1290 d. 1313
- 2 King Alfonso XI "El Justo" De Castilla [1.1] b. 13 Aug 1311 d. 26 Mar 1350
- Infanta Maria De Portugal d. 13 Jan 1357
- 3 King Pedro I "El Cruel" De Castilla [1.1.1] b. 30 Aug 1334 d. 22 Mar 1369
- Maria De Padilla b. 1335 d. 1361
- 4 Princess Isabela De Castilla [1.1.1.1] b. 1355 d. 23 Nov 1393
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- 4 Princess Isabela De Castilla [1.1.1.1]
- 3 King Pedro I "El Cruel" De Castilla [1.1.1]
- 2 King Alfonso XI "El Justo" De Castilla [1.1]