| Male William John Koehler |
| Birth | 7 Jan 1878 | |
| Death | 1967 | Petrolia, Lambton county, Ontario, Canada |
| Burial | ||
| Marriage | 8 Feb 1905 | Oxford, Ontario, Canada |
| Father | ||
| Mother | ||
| Female Catherine Benedict |
| Birth | 19 Feb 1881 | Bruce county, Ontario, Canada |
| Death | Petrolia, Lambton county, Ontario, Canada |
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| Burial | ||
| Father | James William Benedict | F40 Group Sheet | |
| Mother | Sarah Elizabeth Williamette | F40 Group Sheet | |