Last name Offenberg (Offenberg 
) , all around the world, is quite a rare surname. The cognomen Offenberg is habitual in Netherlands, where it is quite a rare surname, Norway, and Denmark. In absolute terms, the name is most common in Netherlands, the United States, and Germany. Much less frequently, Offenberg is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Offenberg | Germany, Norway, Kenya, United States, Netherlands |
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boudewijn van offenberg Dutch Golden Age notary and member of the Haarlem schutterij, NL (b. 1590) |
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| friedrich george von offenberg (b. 1620) |
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| christina von offenberg Jan 1650 - 29 Oct 1687 (b. 1650) |
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| heinrich christian von offenberg (b. 1696) |
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friedrich karl nikolaus von offenberg 1789-1856, Baron (b. 1789) |
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| peter georg sigismund von offenberg (b. 1746) |
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| karl gustav von offenberg (b. 1755) |
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| heinrich christian wilhelm baron von offenberg (b. 1788) |
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| heinrich offenberg (b. 1789) |
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| wilhelmus jacobus johannes offenberg Dutch architect (1813-1873), NL (b. 1813) |
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jan offenberg Polish physician, PL (b. 1867) |
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| heinrich peter friedrich von offenberg 1821-1888, Baron (b. 1821) |
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| johannes wilhelmus franciscus offenberg Dutch photographer (1839-1919), NL (b. 1839) |
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| alexander baron von offenberg (b. 1835) |
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| friedrich alexander baron offenberg (b. 1841) |
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