(Claus) Hinrich Leffler 1889–1952 | | |
| | (Karl) Carl Theodor Leffler 1891–1965 | | |
Johann Wilhelm Leffler 1893–1893 | | |
| | Anna Amalie Mathilde Leffler 1896–1974 Ernst Rudolf Lüders 1893–1957 | | |
| | Karl (Carl Johannes) Leffler 1898–1954 | | |
| | Johann Wilhelm (Willi) Leffler 1218–1970 | | |
| | (Jacob) Otto Leffler 1901–1980 Anna Erna Lüders 1898–1977 | | |
Hans Hermann Leffler 1903–… | | |
| | August Emil Leffler 1905–1979 | | |
| | Anna Maria Mathilde Heuer 1870–1947 Johann Wilhelm Leffler 1863–1936 | | |
| | Antje Amalie (Amalia) Spieß (Spiehs) 1840–1898 Claus Christian Heuer 1839–1876 | | |