Cognomen Jónmundur (Jónmundur ) , all around the world, is an extremely rare family name. Much more frequently, Jónmundur is the forename as well as the last name.
Jonmundur
Eiríksson, and Guðmundsson
) , all around the world, is an extremely rare family name. Much more frequently, Jónmundur is the forename as well as the last name.