Cognomen Sigbjörn (Sigbjörn ) , around the globe, is an extremely rare last name. Much more frequently, Sigbjörn is the forename as well as the last name.
Sigbjoern, and Sigbjørn
Ekman, Björnsson, and Olofsson
) , around the globe, is an extremely rare last name. Much more frequently, Sigbjörn is the forename as well as the last name.