| Male Guillaume BONCOEUR |
| Birth | 12 Dec 1860 | Grayan, Gironde, France |
| Death | 2 Feb 1939 | |
| Burial | ||
| Marriage | 12 Feb 1892 | Grayan, Gironde, France |
| Father | ||
| Mother | ||
| Female Catherine DEVIDAS |
| Birth | 1 Jan 1864 | Grayan, Gironde, France |
| Death | Yes, date unknown | |
| Burial | ||
| Father | Pierre DEVIDAS | F10342 Group Sheet | |
| Mother | Anne BERNARD | F10342 Group Sheet | |