| | Frederich Charels Ludecker 1897–1964 Ethel Gertrude Coburn 1898–1958 | | |
| | Charles Bayard Francis Ludecker 1900–1960 Birdie Leone Eastman 1900–2002 | | |
| | Harold George Julius Ludecker 1904–1977 Maude Evelyn Wilkeyson 1904–1946 | | |
| | Alice Camelia Droz 1877–1951 Charles L. Ludecker 1870–1957 | | |
Léonie Antoinette Droz 1873–1933 | | |
Jeanne Malvina Droz 1875–1865 | | |
Marthe Adrienne Droz 1876–1885 | | |
Louis Charles Eugene Droz 1894–1920 | | |
| | Malvina Matilda Paux 1850–1926 Jules Zélim Droz 1845–1895 | | | | Friderike Kebreiter 1825– |
| | | Louise Elsie Bergerel dit Perroud 1818– | | | | | | | | Daniel-Henri Droz 1750–1808 Madelaine Ducommon-dit-Vernon 1750–1787 | | | | Jean Jacques Droz 1720–1794 Rose Magdalleine Matthey 1720–1794 | | |
| | | Abram-Louis Ducommun-dit-Vernon 1729– | | |
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| | | Pierre-Frederic Gentil 1755– |
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