Surname Siegenthaler (Siegenthaler 
) , in all the world, is quite a common family name. The last name Siegenthaler is habitual in Switzerland, where it is quite a common surname, Malta, where it is quite a rare surname, and Argentina, where it is a rare surname. Measured by absolute frequency, it is commonest in Switzerland, the United States, and Germany. Very seldom, Siegenthaler is the forename as well as the last name.
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| Siegenthaler | Switzerland, France, United States, Germany, Argentina |
| friedrich siegenthaler Swiss politician (1872-1942), CH (b. 1872) |
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walter siegenthaler Swiss internist (1923-2010), CH (b. 1923) |
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| bernhard siegenthaler sport shooter, CH (b. 1877) |
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peter siegenthaler Swiss politician, CH (b. 1940) |
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| walter siegenthaler politician (1904-1994) (b. 1904) |
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heinz siegenthaler Swiss politician, CH (b. 1955) |
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| ernst siegenthaler CH (b. 1897) |
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| hans siegenthaler Swiss footballer, CH (b. 1923) |
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| fritz siegenthaler cyclist, CH (b. 1929) |
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| pierre siegenthaler writer, storyteller and chronicler, CH (b. 1931) |
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| hansjörg siegenthaler Swiss economic historian, CH (b. 1933) |
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| albert siegenthaler Swiss installation artist (1938-1984), CH (b. 1938) |
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davina siegenthaler CH (b. 1978) |
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stefan siegenthaler CH (b. 1982) |
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| pierre siegenthaler Swiss actor, CH (b. 1945) |
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