| Father |
| García de Mayoralgo y Blázquez, Diego | 1339 | about 1384
| Mother |
| Pérez de Ulloa, Juana | 1342 |
| Sister |
Díez, Leonor |
about 1385 |
|
|
| Brother |
García de Mayoralgo y Pérez de Ulloa, Luis |
1362 |
|
|
| |
Díaz, Pascuala |
about 1384 |
|
|
| Brother |
García del Mayoralgo, Lorenzo |
about 1386 |
|
|
| |
| Father |
| García de Mayoralgo y Blázquez, Diego | 1339 | about 1384
| Mother |
| Pérez de Ulloa, Juana | 1342 |
| Sister |
Díez, Leonor |
about 1385 |
|
|
| Brother |
García de Mayoralgo y Pérez de Ulloa, Luis |
1362 |
|
|
| |
Díaz, Pascuala |
about 1384 |
|
|
| Brother |
García del Mayoralgo, Lorenzo |
about 1386 |
|
|