|Intro||Werner von Siemens|
|A.K.A.||Carl Siemens, Carl von Siemens, Carl Heinrich Siemens|
|Countries||Germany Grand Duchy of Mecklenburg-Schwerin|
|Birth||3 March 1829 (Menzendorf)|
|Death||21 March 1906 (Menton)|
Carl Heinrich von Siemens (often just Carl von Siemens) (March 3, 1829 in Menzendorf, Mecklenburg – March 21, 1906 in Menton, France) was a German entrepreneur, a child (of fourteen) of a tenant farmer of the Siemens family, an old family of Goslar, documented since 1384. He is a brother of Ernst Werner von Siemens and William Siemens, sons of Christian Ferdinand Siemens (July 31, 1787-January 16, 1840) and wife Eleonore Deichmann (1792-July 8, 1839). They had two more brothers, Hans Siemens (1818-1867) and Friedrich August Siemens (December 8, 1828-May 24, 1904), married and father to Friedrich Carl Siemens (January 6, 1877-June 25, 1952 in Berlin), married on May 22, 1920 in Berlin to Melanie Bertha Gräfin Yorck von Wartenburg (February 1, 1899 in Klein Oels-May 15, 1950 in Berlin) (the parents of Heinrich Werner Andreas Siemens (born September 28, 1921, Annabel Siemens (born May 3, 1923), Daniela Siemens (born July 31, 1926) and Peter Siemens (born November 8, 1928).
In 1853, Carl Siemens traveled to St. Petersburg where he established the branch office of his brothers company Siemens & Halske. Siemens had a contract for constructing the Russian telegraph network at the time.
Carl went to England in 1869, where he assisted his brother William. In the 1880s, he returned to Russia before he became the senior chief executive of Siemens & Halske after the death of his brother Werner in 1892. He resigned in 1904.
For his service to Russia, he was ennobled by Tsar Nicholas II in 1895. His grave is preserved in the Friedhof III der Jerusalems- und Neuen Kirchengemeinde (Cemetery No. III of the congregations of Jerusalem's Church and New Church) in Berlin-Kreuzberg, south of Hallesches Tor.