Cognomen Trenkle (Trenkle 
, Тренкле 
) , all over the world, is quite a rare family name. The cognomen Trenkle is habitual in Germany, where it is quite a rare surname, Switzerland, where it is a rare surname, and Kazakhstan. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Switzerland.
| VARIANT | COUNTRY |
|---|---|
| Trenkle | United States, Switzerland, Spain, Germany, Canada |
| Тренкле | Ukraine, Russia, Kazakhstan |
| amalia trenkle (b. 1795) |
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| johann baptist trenkle German archivist and historian, DE (b. 1826) |
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franz xaver trenkle German SS-member and Schutzhaftlagerführer in concentration camps, DE (b. 1898) |
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| franz trenkle (b. 1860) |
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| rudolf trenkle (b. 1881) |
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| hans trenkle DE (b. 1883) |
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| fritz trenkle German writer (1920-1996), DE (b. 1920) |
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| theo trenkle DE (b. 1922) |
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| gertraud trenkle DE (b. 1927) |
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| fred trenkle college basketball player (1969–1970) Idaho State |
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| william c trenkle researcher |
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| victoria trenkle DE |
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| bernhard trenkle German psychotherapist and author, DE |
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