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Familie: Hans Christopher Elers Koch / Sonja Duus (F42198)
g. 1919Hans Christopher Elers Koch (1858-1912) 
|
Kirstine Elisabeth Marcussen (1860-1928) |
| Karen Elisabeth Benedicte Elers-Koch (1888- ) |
| Hans Christopher Elers Koch (1892-1951)
|
| Sonja Duus (1899-1979) |
Elisabeth Elers Koch (1920- )  |
| Hans Christopher Elers Koch (1923- ) |