Arnold Richard Kalkau 1906–1970 Anna Irma Zansinger 1905– | | |
| | Oswald Adolf Kalkau 1908–1971 | | |
Reinhard Kalkau 1911–1970 | | |
| | Erika Alma Kalkau 1912–2002 | | |
Wilhelm Franz Kalkau 1913–1915 | | |
| | Franz Richard Kalkau 1881–1941 Johanne Friederike Mazat 1876– | | | | Gottlieb Rudolph Kalkau 1839–1902 Johanne Pauline Knorr 1852– | | | | | Johann Carl Knorr 1821–1894 | | | | Johann Friedrich Kreuzer 1781–1846 |
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| | | Carl Ludwig Mazat 1851–1922 | | | | Henriette Schlagowski –1899 |
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