Sweyn (Viking Pirate) of NORTHUMBRIA 
Sweyn (Viking Pirate) of was born about 1035 in Northumbria, England. Sweyn (Viking Pirate) of's father was Leofwine of NORTHUMBRIA. He was an only child. Sweyn (Viking Pirate) of is no longer alive.
He had a biological son named Thor (Thorlongus) Sweynsson, Lord of.
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Children
Thor (Thorlongus) Sweynsson, Lord of CRAWFORD
Thor (Thorlongus) Sweynsson, Lord of was born before 1067 in Ednam, Kelso, Berwickshire, Scotland. He died after 1150 in Crawford, Clydesdale, Lanarkshire, Scotland.