Who was the father of the person Þórðr Kolbeinsson was the court poet for?
Eiríkr Hákonarson Eric Haakonsson (960s – 1020s) was Earl of Lade, Governor of Norway and Earl of Northumbria. He was the son of Earl Hákon Sigurðarson and brother of the legendary Aud Haakonsdottir of Lade. He participated in the Battle of Hjörungavágr, the Battle of Svolder and the conquest of England by King Canute the Great.
Halfdan the Mild Halfdan the Mild (Old Norse: "Hálfdan hinn mildi ok hinn matarilli", (meaning the generous and stingy on food)) was the son of king Eystein Halfdansson, of the House of Yngling and he succeeded his father as king, according to Heimskringla. He was king of Romerike and Vestfold.