Familie: Clarence Orson Durham / Maude Leffland (F12425)
 | Carl Ludvig Julius Liffland (1854-1924) 
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 | Emilie Charlotte Sophie Struck (1853-1931)
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| Rigmor Fanny Emilie Charlotte Leffland (1880-1980) |
| Ingeborg Julie Charlotte Leffland (1882-1932)  |
| Edith Agnes Amalie Leffland (1884-1922) |
| Kirsten Vilhelmine Dorothea Leffland (1885-1908) |
| Kai John Leffland (1889-1951) |
| Poul Leffland (1897-1939) |
| Clarence Orson Durham (1890-1969) |
| Maude Leffland (1893-1968)
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| Clarence Orson Durham (1920-2015) |