| Father | Male Luis Lassise |
| Born | Abt 1847 | Mayagüez Puerto Rico  |
| Died | 6 Aug 1905 | Cárcel, Mayagüez, Puerto Rico, USA |
| Buried | ||
| Married | 1884 | Mayagüez, Mayagüez, Puerto Rico, Spain |
| Father | Luis Lassise | F48 Group Sheet | |
| Mother | Francisca Lizana | F48 Group Sheet | |
| Mother | Female Inés María de la Sierra Y Estrada |
| Born | 1854 | Mayagüez Puerto Rico |
| Died | 18 Jun 1928 | Mayagüez Puerto Rico |
| Buried | ||
| Father | Manuel Fermín de la Sierra | F54 Group Sheet | |
| Mother | María del Carmen Estrada | F54 Group Sheet | |
| Child 1 | Male Luis Nicolas Lassese de la Síerra |
| Born | 1887 | Mayagüez, Puerto Rico |
| Died | 1 Nov 1942 | Mayagüez Puerto Rico |
| Buried | ||
| Spouse | Rosa Acenedo De Laasise | F47 | |
| Married | ||
| Child 2 | Female Inés Luisa Lassise |
| Born | 23 Dec 1889 | Mayagüez Puerto Rico |
| Died | 7 Mar 1944 | Mayagüez Puerto Rico |
| Buried | ||
| Spouse | Manuel Marin Ganthier | F60 | |
| Married | 21 Dec 1912 | Nuestra Señora de la Candelaria, Mayagüez, PR |
| Child 3 | Female María Antonieta Lassise |
| Born | 15 Jun 1892 | Mayagüez, Puerto Rico |
| Died | 22 Oct 1978 | Mayagüez Puerto Rico |
| Buried | 23 Oct 1978 | Mayagüez Puerto Rico, Cementrio Viejo Panteón Lassise |
| Spouse | Ramón Segundo Rafael Vidal | F32 | |
| Married | 19 Mar 1915 | Nuestra Señora de la Candelaria, Mayagüez, Puerto Rico |
