Wilhelm Heinrich Kalkau 1874–1946 Olga Martha Boss 1884–1961 | | |
Ewald Amandas Kalkau 1879–1880 | | |
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– | | |
Mädchen Valackovičis 1930–1930 | | |
| | Johanna Ottilie Helene Kalkau 1887– | | |
| | Hermann Aegidius Kalkau 1889–1983 | | |
Johanna Louisa Augusta Kalkau 1892– | | |
| | Gottlieb Rudolph Kalkau 1839–1902 Johanne Pauline Knorr 1852– | | |