Billy Joe GROTHMANN 1937–1948 | | |
| | William GROTHMANN 1913–2002 | | | | Frederick William GROTHMANN 1891–1958 | | | | Johann Gerhard GROTHMANN 1848–1909 Wilhelmine Dorothea HENRICHS 1859–1894 Katherine Louisa KRUGAR (KRÜGER) 1857–1930 | | | | Friedrich Moritz Adolph GROTHMANN 1802–1882 Anna Elsabein FRANTZEN (REINING) 1801–1834 Anna Catharina Friederike KRÖNER 1807– | | | | Lambert Franz Heinrich FRANTZEN gnt. REINING 1770–1826 Anna Elsabein REINING 1779–1819 | | |
| | | Wilhelm Philip KRÖNER 1774–1817 Maria Anna Margaretha Ilsabein FRANTZEN 1768–1852 | | |
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