In the entire world, Syvertsen (Syvertsen 
) is an extremely rare girly first name. Predominantly, Syvertsen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Syvertsen | Norway, United States, Sweden, Denmark, Belgium |
Sievertsen, Siewertsen, Sifwertson, Sivertsen, Sivertson, Sivertzen, Sivertzén, Syversen, Syverson, Syversson, and Сивертсен
| ryder syvertsen US (b. 1941) |
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| marte syvertsen researcher (ORCID 0000-0003-2182-4247) |
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| stine syvertsen Norwegian association football player (b. 1989) |
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