Hirsch
The Hirsch watchmaking family originated in Hattstatt, Haut-Rhin, Alsace, and came to La Chaux-de-Fonds around 1874. The most prominent member was Achille Hirsch, founder of Montres Invar, though his brother Daniel Hirsch was also influential as founder of Levrette.
- Feiss Hirschel (1773-1832) married 1794 Léah Leyé Rueff (1777-1849)
- Moïse Hirsch (1801-1876) married 1828 Mündel "Minette" Dreyfuss (1807-1870)
- Salomon-Léopold Hirsch (November 29, 1847-April 10, 1908) married 1877 Mathilda Augusta Chemnitz (1854-?) divorced 1893 - co-founded A. & S. Hirsch with Achille Hirsch and founded Nouvelle Fabrique de Tavannes
- Fernande Hirsch (1878-1916)
- Georges Hirsch (1879-?)
- Salomon-Léopold Hirsch (November 29, 1847-April 10, 1908) married 1877 Mathilda Augusta Chemnitz (1854-?) divorced 1893 - co-founded A. & S. Hirsch with Achille Hirsch and founded Nouvelle Fabrique de Tavannes
- Cerf Hirtzel Hirsch (April 6, 1813-October 30, 1888) married 1835 Eve Zivy (1809-1841) and married 1843 Caroline Dreyfus (1822-1874)
- Félix Hirsch (1837-1838)
- Isaac Hirsch (1839-/1888)
- Léon Hirsch (1840-1916)
- Jacques Yékef Hirsch (1844-1918)
- Ernestine Hirsch (1845-1846)
- Achille Hirsch (February 17, 1847-October 8, 1927) married September 1, 1875 Rachel Léa Hirsch (November 13, 1851-December 31, 1941) - co-founded A. & S. Hirsch with Salomon-Léopold Hirsch
- Félix Hirsch (1876-1953)
- Jules Salomon Hirsch (1878-1952) - took over as Fils d'Achille Hirsch
- Kennty Clarisse Clarisse Hirsch (1881-1882)
- Maurice Hirsch (1883-1957) - took over as Fils d'Achille Hirsch
- Jacques-Georges Hirsch (1884-1954) - took over as Fils d'Achille Hirsch
- Marguerite Hirsch (1887-1887)
- Léa Lilly Hirsch (1890-1975)
- Henry Nephtaly Hirsch (1896-1979)
- Caroline Hirsch (1848-1902)
- Daniel Emmanuel Hirsch (May 19, 1853-October 30, 1928) married 1884 Lucie Bloch (1862-December 29, 1933) - joined A. & S. Hirsch and co-founded Braunschweig & Hirsch with Isaac Braunschweig
- Fernand Hirsch (1885-1918)
- Georges Moyse Hirsch (1887-1918)
- Moïse Hirsch (1801-1876) married 1828 Mündel "Minette" Dreyfuss (1807-1870)