Surname Olieslagers (Olieslagers 
) , throughout the world, is a rare family name. The family name Olieslagers is habitual in Western Europe, particularly Belgium, where it is quite a rare surname, Netherlands, where it is a rare surname, and Germany, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Olieslagers | Germany, Belgium, France, Brazil, Netherlands |
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jan olieslagers Belgian flying ace (1883-1942), BE (b. 1883) |
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| lucien olieslagers Belgian footballer, BE (b. 1936) |
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| jan olieslagers BE |
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| tom olieslagers |
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| tom olieslagers |
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| bob olieslagers cyclist, NL (b. 1997) |
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