| Father | Male Manuel Fermín de la Sierra |
| Born | 7 Jul 1823 | Santander, Spain  |
| Died | 1875 | Mayagüez, Puerto Rico |
| Buried | ||
| Married | 1848 | Nuestra Señora de la Candelaria, Mayagüez, PR |
| Father | Manuel María de la Sierra | F55 Group Sheet | |
| Mother | María Vicenta Pereira y Zatarain | F55 Group Sheet | |
| Mother | Female María del Carmen Estrada |
| Born | Nov 11, 1822 | Curacao |
| Died | 1876 | Mayagüez Puerto Rico |
| Buried | ||
| Father | Nicolás Estrada | F59 Group Sheet | |
| Mother | Carmen María Manzano | F59 Group Sheet | |
| Child 1 | Female Inés María de la Sierra Y Estrada |
| Born | 1854 | Mayagüez Puerto Rico |
| Died | 18 Jun 1928 | Mayagüez Puerto Rico |
| Buried | ||
| Spouse | Luis Lassise | F46 | |
| Married | 1884 | Mayagüez, Mayagüez, Puerto Rico, Spain |
| Child 5 | Female Luisa de la Sierra |
| Born | 1864 | Caracas, Distrito Federal, Venezuela |
| Died | 22 Feb 1914 | Mayagüez Puero Rico |
| Buried | ||
| Spouse | Antonio Frau | F86 | |
| Married | 1888 | Mayaguez, Puerto Rico |
