Family name Sywert (Sywert ) , in the world, is an extremely rare last name. Much more frequently, Sywert is the forename as well as the last name.
Sievert, Siewert, and Siwert
Grund, Lienden, Brongersma, and Folkertsma
) , in the world, is an extremely rare last name. Much more frequently, Sywert is the forename as well as the last name.