Byron John Koster 1898–1985 Minnie E Minnikin 1894–1970 | | |
Herman Henry Koster Sr 1900–1950 Alevena Matilda Grohs 1908–1985 | | |
| | John Frederick Koster 1870–1957 Clara Schaedler 1870–1937 Byrde Etta Watson 1879–1957 | | | | Anna Catherine Brinckman 1835–1920 | | |
| | | August Schaedler 1829–1893 Christina Bette 1834–1913 | | | | Anna Maria Droheim 1791–1842 |
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