Family name Olbertz (Olbertz 
) , in all the world, is quite a rare cognomen. The last name Olbertz is characteristic of Western Europe, particularly Germany, where it is a rare surname, Netherlands, and Austria. Measured by absolute frequency, it is commonest in Germany, Netherlands, and Brazil.
| VARIANT | COUNTRY |
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| Olbertz | Germany, Brazil, United States, United Kingdom, Netherlands |
| johann wilhelm olbertz (b. 1807) |
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| otto josef olbertz DE (b. 1881) |
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| paul olbertz DE (b. 1883) |
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jan-hendrik olbertz German politician, DE (b. 1954) |
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| manfred olbertz university teacher (1926-2002), DE (b. 1926) |
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| walter olbertz german pianist, DE (b. 1931) |
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| walter olbertz (b. 1931) |
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| martin olbertz DE (b. 1964) |
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| dirk olbertz researcher |
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| clarissa miranda carneiro de albuquerque olbertz researcher |
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| j. olbertz |
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Mr, Gero, Lara, Luis, Jose, Jill, Tere, Tina, Hans, Hugo, Gaby, Iris, Molly, Sarah, Alice, Andre, Annie, Achim, Colin, Celia, Beate, Maria, Dirk, Davi, Rita, Ms, Max, Ana, Bas, Rae, Rob, Jan, Joy, Ute, Marc, Mark, Maxi, Arno, Adam, Axel, Carl, Karl, Paul, Ralf, Rosa, Rene, Bruno, and Kevin