Leslie Herbert Kohlhagen 1912–1976 Irene Evelyn Fritsch 1914–1995 | | |
| | Johannes Herman (Harry) Kohlhagen 1885–1958 Anna Maria (Mary) Lieschke 1888–1974 | | | | Johann Heinrich Kohlhagen 1849–1909 Anna Louise Kauffmann 1852–1934 | | | | Georg Ferdinand Kauffmann 1809–1881 Johanna Justine Hamdorf 1812–1880 |
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