Surname Groof (Groof 
, Grouf 
) , globally, is quite a rare cognomen. The last name Groof is characteristic of Bahrain, where it is quite a common surname, Belgium, and Netherlands, where it is quite a rare surname.
| VARIANT | COUNTRY |
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| Groof | Netherlands, Belgium, Kuwait, Bahrain, United States |
| Grouf | New Zealand, United States, Canada |
| vincent de groof BE (b. 1830) |
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| leopold de groof Belgian association football player (1896-1984), BE (b. 1896) |
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| louis de groof Belgian screenwriter and writer (1913-1996), BE (b. 1913) |
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| frans de groof Belgian politician, BE (b. 1916) |
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| carl de groof Austrian composer, AT (b. 1923) |
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| piet de groof Belgian officer, BE (b. 1931) |
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stephanie de groof Belgian field hockey player, BE (b. 1991) |
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| bob de groof Belgian radio host (1945-2013), BE (b. 1945) |
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| lucien de groof BE (b. 1935) |
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| jan de groof (b. 1953) |
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| jan de groof Belgian architect, draftsmann, engineer |
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| ad de groof researcher |
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| floris de groof Belgian architect, draftsmann, engineer, BE |
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| rob de groof Belgian musician, BE |
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| timo w m de groof researcher (ORCID 0000-0001-6918-2955) |
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