| Father | Male Alfredo Lassise |
| Born | ||
| Died | ||
| Buried | ||
| Married | ||
| Other Spouse | American Lady | F306 | |
| Married | ||
| Father | Alfredo Lassise | F50 Group Sheet | |
| Mother | Rosita Rivera Mateu | F50 Group Sheet | |
| Child 1 | Male Alfredo Lassise |
| Born | 22 May 1885 | Sabana Grande, Sabana Grande, Puerto Rico, USA  |
| Died | San Juan, San Juan, Puerto Rico, United States of America |
|
| Buried | ||
| Spouse | Isabel Rivera | F49 | |
| Married | 20 Dic 1912 | Mayagüez, Puerto Rico |
| Spouse | Rosita Rivera Mateu | F50 | |
| Married | ||
| Spouse | Monserrate Rodriguez | F51 | |
| Married | 18 Oct 1915 | Mayagüez, Puerto Rico |
