Sæmingr was a king of Norway according to Snorri Sturluson's euhemerized accounts or Hålogaland. He was said to be the son of Odin or Yngvi-Freyr.
According to the prologue of the Prose Edda, Sæmingr was one of the sons of Odin and the ancestor of... Wikipedia
Children: Godhjalt Saemingsson
Grandchild: Sverdhjalt Godhjaltsson