| | John Clarence Hammat 1880–1959 Gescha Adelaide Beta Netta Warnken 1858–1944 Rose Ethel Robertson 1884–1959 | | | | Theodore Hammat 1854–1935 Emma Jane Trevillian 1858–1899 | | | | Elizabeth Harvey 1812–1876 | | |
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| | | Heinrich Warnken 1827–1895 Charlotte Bryant 1826–1863 Mary Frances Morris 1842–1919 | | |
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