| Father |
| de Oyarzun Lartaun y Gamboa, Alonso | about 1662 | before 1762
| Mother |
| Mancilla Quintanilla i de Castro, Isabel | about 1661 | 1751
| Brother |
de Oyarzun i Mansilla, Marcelo |
about 1703 |
|
|
| Sister |
de Oyarzún Mansilla, Antonia |
about 1685 |
|
|
| Sister |
de Oyarzún Mansilla, Josefa |
1700 |
|
|
| Brother |
de Oyarzun y Lartaun Mansilla, Jose |
about 1704 |
about 1760 |
|
| Brother |
de Oyarzún Cárcamo, Santiago |
about 1704 |
|
|
| |
Oyarzun Mansilla, Cristobal |
about 1708 |
|
|
| Brother |
de Oyarzún y Lartaun, Alonso |
about 1710 |
before 1810 |
|
| Brother |
Oyarzun Mancilla, Ventura |
about 1715 |
about 1790 |
|
| Sister |
de Oyarzun y Mansilla, Isabel |
about 1715 |
|
|