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Family name Sigbjørn (Sigbjørn ) , globally, is an extremely rare cognomen. The last name Sigbjørn is habitual in Northern Europe, particularly Norway, where it is a very rare surname. Much more frequently, Sigbjørn is the forename as well as the last name.
Mo, Modalsli, Smeland, Skjæveland, Bergane, Kolberg, Rimehaug, Lisland, Normann, Eriksen, Egeland, Hjellum, Øvrebø, Andersen, Pedersen, Ravnåsen, Johansen, Eliassen, Sivertsen, Sørensen, Berentsen, Stanghelle, Innselset, Haugen, Hansen, Lunden, Moe, Lie, Moen, Berg, Rell, Lien, Lian, Elle, Eide, Hals, Tveiterås, Hoff, Berge, Hauge, Olsen, Morken, Storli, Astrup, Bjerga, Pilskog, Risnes, Larsen, Styve, and Korneliussen