| Name | Guillaume BONCOEUR | |
| Birth | 12 Dec 1860 | Grayan, Gironde, France |
| Gender | Male | |
| Death | 2 Feb 1939 | |
| Person ID | I27567 | bmds |
| Last Modified | 8 Apr 2024 | |
| Family | Catherine DEVIDAS, b. 1 Jan 1864, Grayan, Gironde, France d. Yes, date unknown | ||||
| Marriage | 12 Feb 1892 | Grayan, Gironde, France |
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| Age at Marriage | Guillaume : 31 years old | Catherine : 28 years old. | ||||
| Children | 2 sons | ||||
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| Family ID | F10346 | Group Sheet | Family Chart | |||
| Event Map | ||
| Pin Legend | ||