| Father | Alfonso X "el CASTILE & LEON [KING OF THE GER (1221 - 1284) |
| Mother | Yolanda (Violante) Princess ARAGON (1236 - 1264) |
| Sibling | Fernando PRINCE Of CASTILE AND LEON (1248 - ) |
| Sibling | Beatriz Princess Of CASTILE AND LEON (1254 - 1280) |
| Sibling | Sancho IV Alfonsez CASTILE (1255 - 1295) |
| Sibling | Fernando De LA CASTILE (1256 - 1275) |
| Sibling | Pedro PRINCE Of CASTILE AND LEON (1261 - 1283) |
| Sibling | Juan PRINCE Of CASTILE AND LEON (1264 - 1319) |
| Sibling | Jaime PRINCE Of CASTILE AND LEON (1268 - 1284) |
| Sibling | Yolanda Princess Of CASTILE & LEON (1270 - 1308) |
| Sibling | Isabel Princess Of CASTILE AND LEON (1272 - ) |
| Sibling | Leonor Princess Of CASTILE & LEON (1274 - ) |
| Sibling | Fernando De LA CERDA (1255 - 1275) |
| Sibling | Sancho IV CASTILE PRINCE (1258 - 1296) |