Family: Robert J. Chambers / Irene Agnes deDufour (F137082)
William Frederick deDufour (1895-1953) |
Laura Elizabeth Burger (1904-1983) 
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| William Francis deDufour (1925-1979) |
| Irene Agnes deDufour (1928-2015)
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| William Frederick deDufour (1895-1953) |
| Laura Elizabeth Burger (1904-1983)
|
| William Francis deDufour (1925-1979) |
| Irene Agnes deDufour (1928-2015)
|