Familie: Weidemann, Oswald / Opdahl, Therese Margrethe Sivertsdtr (F11082)
 | Weidemann, Halfdan Thoralf (1877-1917) 
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 | Christensen, Karen Anette Eleonore (1880- ) |
| Weidemann, Halfrid (1905-1979)  |
| Weidemann, Inger Adelaide (1908-1986) |
| Weidemann, Oswald (1902-1965)
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| Opdahl, Therese Margrethe Sivertsdtr (1905-1990) |
| Weidemann, Jakob (1923-2001) |