[4] brœðr Sveins ‘Sveinn’s brother [= Knútr Sveinsson]’: Sveinn Úlfsson, Knútr’s father, had two sons called Sveinn, one with Gunnhildr, daughter of the Norwegian Sveinn jarl Hákonarson, and one with a concubine (see ÍF 35, 135 and Genealogy II). For Knútr inn helgi ‘the Holy’ Sveinsson (S. Knútr), see ÍF 35, 358.