LEON AND CASTILE UNITED.
| A.D. | |
| Alfonso X. (el sabio), | 1252 |
| Sancho IV., | 1284 |
| Fernando IV., | 1295 |
| Alfonso XI., | 1312 |
| Pedro I. (el cruel), | 1350 |
| Enrique II., | 1369 |
| Juan I., | 1379 |
| Enrique IV., | 1454 |
| Isabel I. (married to Fernando II. of Aragon), | 1474 |
| A.D. | |
| Alfonso X. (el sabio), | 1252 |
| Sancho IV., | 1284 |
| Fernando IV., | 1295 |
| Alfonso XI., | 1312 |
| Pedro I. (el cruel), | 1350 |
| Enrique II., | 1369 |
| Juan I., | 1379 |
| Enrique IV., | 1454 |
| Isabel I. (married to Fernando II. of Aragon), | 1474 |