Robert GROTHMANN 1928–1990 | | |
| | Alfred GROTHMANN 1900–1977 | | | | F. August GROTHMANN 1871–1910 Jeanette KRUGAR 1871–1951 | | | | Franz Friedrich Adolph GROTHMANN 1831–1881 Magaretha Sophia BULDTMANN 1849–1876 | | | | 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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