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Male Halfdan Sigurdsson Click to view Halfdan Sigurdsson in the family tree

Halfdan was born in 0990 in Stein,Norway.  Halfdan's father was Sigurd Sow Halfdansson King of Ringerike and his mother was Estrid (Asta) of Uplands.  His maternal grandparents were Gudbrand Jarl of Uplands and Ulfhild (Gunhild) Thorasdottir. He had a brother named Harald III Hardraade King of.  He was the older of the two children. He had two half-brothers named St. Olaf II of and Olaf II "The Saint" (Haraldsson) King of.


Halfdan's family


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