| FERDINAND IV "The Summoned" King of Castile (1285 - 1312) | |
| Constanza of Portugal (1290 - 1313) |
| ALFONSO IV "The Benign" of Aragon | Leonor of Castile |
| b. d. 1336 bur. occ. edu. rel. Flags. | b. 1307 d. 1359 bur. occ. edu. rel. Flags. |
| PETER IV "The Ceremonious" of Aragon |