Cognomen Roecker (Roecker 
, Рокер) , all over the world, is quite a rare surname. The cognomen Roecker is habitual in Brazil, where it is a rare surname, Germany, and the United States.
| henry leon roecker US (b. 1860) |
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| hanns otto roecker DE (b. 1887) |
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| john roecker American film director, US (b. 1966) |
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| inge roecker (b. 1963) |
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| caleb roecker researcher |
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| bill roecker college basketball player (1958–1960) Bradley |
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| jay roecker American record producer from Texas, US |
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| kai roecker researcher |
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| zoe roecker researcher |
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| joachim roecker |
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