Hákon was the son of Þorsteinn sheriff in Þykkvibær and Guðríður Árnadóttir. His first wife was Ólöf Teitsdóttir and his second wife was Guðrún Einarsdóttir. He had one son, A. Sigurður, Monastery holder at Þykkvibær, with Guðrún. He had four other children outside of marriage.
He was sheriff of the western part of Skaftafellssýsla from about 1655, and definitely before 1660. He also held halv of the Monastery at Þykkvibær. 
Hákon was married to Ólöf Teitsdóttir and was the son of Þorsteinn Magnússon sheriff at Þykkvibær.
Have you taken a DNA test? If so, login to add it. If not, see our friends at Ancestry DNA.