What was the name of Gudrød Bjørnsson's grandfather, who is also known as the first King of Norway?
Gudrød Bjørnsson Gudrød Bjørnsson was the son of Bjørn Farmann, the king of Vestfold, and a grandson of Harald Fairhair. Gudrød was the father of Harald Grenske, and the paternal grandfather of Saint Olaf.
Tyra of Denmark Tyra of Denmark ("Tyri Haraldsdatter", "Thyri" and "Thyra") was a 10th-century Danish princess. She was the spouse of both King Olav I of Norway and of Styrbjörn Starke, crown prince of Sweden.