| Male Léon Émile LANGLOIS |
| Birth | 6 May 1880 | Rouen, Seine-Maritime, France |
| Death | Yes, date unknown | |
| Burial | ||
| Marriage | 5 Feb 1910 [1] | Rouen, Seine-Maritime, France [1] |
| Father | ||
| Mother | ||
| Female Hélène Marguerite DUHAMEL |
| Birth | 20 Dec 1882 | Bosc-le-Hard, Seine-Maritime, France |
| Death | Yes, date unknown | |
| Burial | ||
| Father | Auguste Isaïe DUHAMEL | F11256 Group Sheet | |
| Mother | Ambroisine Célestine Alexandrine DEVAUX | F11256 Group Sheet | |