Surname Bertke (Bertke 
) , in all the world, is quite a rare cognomen. The last name Bertke is characteristic of the United States, where it is a rare surname, Germany, and New Zealand, where it is a very rare surname. In absolute terms, it is the most numerous in the United States, Germany, and Canada.
| VARIANT | COUNTRY |
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| Bertke | Germany, New Zealand, Canada, United States |
| stephen bertke Ph.D. University of Cincinnati 2011 |
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| maik bertke researcher (ORCID 0000-0003-3902-8521) |
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| jeffery a. bertke researcher |
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| stephen j bertke researcher |
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| al bertke college basketball player (1970–1972) Dayton |
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| nadja bertke German association football player, DE |
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| andrea s bertke researcher |
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