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Cognomen Sighvatsdottir (Sighvatsdottir ) , throughout the world, is a very rare surname. The cognomen Sighvatsdottir is characteristic of Northern Europe, particularly Iceland, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sighvatsdottir | Iceland |
Ms, Tara, Helga, Ingunn, and Brynhildur