What was the name of the father of the Norwegian king at the center of the Saga of Harald Fairhair?
Halfdan the Black Halfdan the Black (Old Norse: "Halfdanr Svarti") (  810 –  860 ) was a ninth-century king of Vestfold. He belonged to the House of Yngling and was the father of Harald Fairhair, the first king of Norway.
Hraudung In Norse mythology, Hraudung was a human king and the father of Geirröd and Agnar according to the prose header of the poem "Grímnismál" from the "Poetic Edda".