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.
- 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)
- Félix Hirsch (1876-1953)
- Jules Salomon Hirsch (1878-1952)
- Kennty Clarisse Clarisse Hirsch (1881-1882)
- Maurice Hirsch (1883-1957)
- Jacques Hirsch (1884-1954)
- 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)
- Fernand Hirsch (1885-1918)
- Georges Moyse Hirsch (1887-1918)