Halfdan's brother was king Guðröðr of Scania. Guðröðr married Åsa, the daughter of the Swedish king Ingjald illråde (Ill-ruler) and she prodded Guðröðr to murder Halfdan.
Halfdan's brother was king Guðröðr of Scania. Guðröðr married Åsa, the daughter of the Swedish king Ingjald illråde (Ill-ruler) and she instigated Guðröðr to murder Halfdan.