Tofterå Slettemoen genealogy
Family: Henry Waldemar Knudson / Gertrude Edna Richardson (F15339)
m. 1922
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 | Ole Knudson (1857-1940)
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 | Bothilde Justine Hougaard (1859-1931)
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| Carl Christian Knudson (1898-1932)  |
| Henry Waldemar Knudson (1902-1957)
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| Gertrude Edna Richardson (1903-1931) |