Family name Grönhagen (Grönhagen 
) , around the globe, is a rare cognomen. The cognomen Grönhagen is habitual in Sweden, where it is a rare surname, Finland, where it is a very rare surname, and Germany.
| VARIANT | COUNTRY |
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| Grönhagen | Germany, Sweden, Finland |
Groenhagen, and Grünhagen
| nicolaus ii. von grönhagen (b. 1350) |
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| heinrich iii. von grönhagen (b. 1450) |
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| johan didrik grönhagen Swedish civil servant, SE (b. 1681) |
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| johan adolf grönhagen Swedish military personnel, SE (b. 1753) |
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| hedvig charlotta grönhagen 19 Oct 1756 Brandsnäs - 23 Apr 1810 Tommestorp (b. 1756) |
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| fredrik adrian grönhagen (b. 1794) |
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karl grönhagen FI (b. 1865) |
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| knut gustaf ferdinand grönhagen (b. 1823) |
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|
åke grönhagen Fencer, modern pentathlete (1885-1974), SE (b. 1885) |
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| ingeborg grönhagen unpublished Swedish writer, SE (b. 1871) |
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| anders grönhagen Swedish footballer and manager, SE (b. 1953) |
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| carina grönhagen Swedish politician, SE (b. 1968) |
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| joakim grönhagen Swedish professional golfer, SE (b. 1972) |
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| nils-olof grönhagen Swedish politician, SE |
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