Across the world, Westerholt (Westerholt 
) is a very rare masculine forename. The first name Westerholt is characteristic of Eastern Asia, particularly China, where it is an extremely rare boy's name. Predominantly, Westerholt is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Westerholt | Netherlands, China, United States, Denmark, Germany |
| burckhardt wilhelm von westerholt (b. 1622) |
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| borchart frederik willem westerholt (b. 1863) |
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| borchard van westerholt, heer van coppel, dinckelberg, brockhuis - 1 Dec 1540 Dordrecht |
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| borchard van westerholt, heer van hackfort, entingen, baak en empt - 26 Aug 1631 |
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| burchard van westerholt, heer van westerholt en coppel - Bef 1507 |
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