William Frederick deDufour
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| William Francis deDufour |
| William Francis deDufour | |
| B: | 11 Nov 1925 |
| Bronx, Bronx County, New York, USA | |
| D: | 30 Jan 1979 |
| Rockville, Montgomery County, Maryland, USA | |
| Irene Agnes deDufour |
| Irene Agnes deDufour | |
| B: | 21 Sep 1928 |
| Bronx, Bronx County, New York, USA | |
| D: | 22 Feb 2015 |
| Churchville, Harford County, Maryland, USA | |
| William Frederick deDufour |
| William Frederick deDufour | |
| B: | 3 Aug 1895 |
| New York, New York County, New York, USA | |
| D: | 21 May 1953 |
| Bronx, Bronx County, New York, USA | |
| Laura Elizabeth Burger |
| Laura Elizabeth Burger | |
| B: | 30 Nov 1904 |
| Bronx, New York County, New York, USA | |
| D: | 11 Nov 1983 |
| Towson, Baltimore County, Maryland, USA | |



