Kottmann
The Kottmann family of Solothurn founded the Langendorf Watch Company factory in Langendorf in the 1870s. This grew to be the largest watch factory in Switzerland by the turn of the 20th century and was a major watch producer for decades.
- Johann Baptist Karl Kottmann (1776-1851)
- Johann Viktor "Jean" Kottmann (September 30, 1822-November 25, 1881) married 1852 Maria Elisabeth Frölicher - Founded Langendorf Watch Company
- Karl Joseph Kottmann married Maria Magdalena Katharina Munzinger
- Karl "Charles" Kottmann (October 20, 1844-January 16, 1890) married 1879 Anna Friederika Munzinger - Took over Langendorf Watch Company
- Dr. Auguste Kottmann (March 4, 1846-July 4, 1904) married 1872? Marie Oswald
- Dr. W? Kottmann
- Ernst "Ernest" Kottmann (December 5, 1874-October 16, 1944) married Dora Stünzi (?-February 17, 1952) - Took over Langendorf Watch Company
- Hans Kottmann-Simper (1910-December 10, 1964) married Anneliese Simper - Took over Langendorf Watch Company
- Guido Kottmann-Portmann (1913-June 15, 1965) married Elsbeth Portmann - Took over Langendorf Watch Company
- Dr. Kurt Kottmann (1877?-1952)
- Rudolf Kottmann (1878-August 9, 1952) - Took over Langendorf Watch Company
- Franz Jakob Kottmann (1783-1844)