| | Albert Theodor Firnhaber 1876–… | | | | Johann Heinrich Christian Firnhaber 1848–1914 Johanna Dorette Amalie Bode 1849–1914 | | | | Johann Heinrich Ernst Firnhaber 1812–1891 Dorothea Amalie Christine Hamers 1815–1894 | | | | Johann Heinrich Konrad Firnhaber 1778–1841 Hanna Marie Elisabeth Dorothea Jordan 1781–1848 | | |
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| | | Heinrich Konrad Ludolph Bode …–… Engel Sophie Dorotea Rühmekorf …–… |
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