OurNorthernRoots
Helen Madeline Cowan
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Louis Joseph Hahn
1958-
| Louis Joseph Hahn | |
| B: | 30 May 1958 |
Christopher M. Hahn
1963-
| Christopher M. Hahn | |
| B: | 15 Jan 1963 |
Helen Madeline Cowan
1936-2014
| Helen Madeline Cowan | |
| B: | 17 Dec 1936 |
| Philadelphia, Philadelphia County, Pennsylvania | |
| D: | 5 Feb 2014 |
| Johnson City, Washington County, Tennessee | |
| Louis J. Hahn | |
| M: | Apr 1956 |
| Burlington County, New Jersey | |
Joseph Felix Levasseur
1941-1976
| Joseph Felix Levasseur | |
| B: | 14 May 1941 |
| Philadelphia, Philadelphia County, Pennsylvania | |
| M: | Abt 1970 |
| D: | 8 Sep 1976 |
| Philadelphia, Philadelphia County, Pennsylvania | |



