Documenting This American Family
Family: Costello, Mark Hilton / Swanson, Agnes Virginia (F1301)
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Swanson, Arvid Wilhelm (William) (1890-1965)
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Michon, Gertrude Aurora (1890-1966)
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| Swanson, Gertrude Dorothy (1921-2000) |
Swanson, Grace Louise (1926-2017)  |
| Swanson, Louise Ann (1933-2003) |
| Costello, Mark Hilton (1911-1980) |
| Swanson, Agnes Virginia (1915-2013)
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| Costello, Rosemary (1940-2016) |
| Costello, Ann L. (1952-1999) |
