| Father | Jose Decidero "Dario" Gallego (1830 - 1883) |
| Mother | Maria Eulogia Valdez (1836 - 1912) |
| Sibling | Donaciano Gallego (1858 - ) |
| Sibling | Maria Olin Gallego (1853 - ) |
| Sibling | Maria Isabel Gallego (1855 - ) |
| Sibling | Maria Manuela Gallego (1860 - ) |
| Sibling | Jose Antonio Gallego (1861 - ) |
| Sibling | Jose Felico Gallegos (1862 - 1934) |
| Sibling | Maria Eusia Gallego (1871 - ) |
| Sibling | Gaspar Gallego (1873 - ) |
| Sibling | Maria Emilia Gallego (1876 - ) |
| Sibling | Isaac Gallego (1864 - ) |
| Sibling | Sacarias Gallego (1869 - ) |
| Sibling | Isabel Gallego (1855 - ) |