Biorn Bune Of Sogne Earl

Biorn Bune was born about 0749 in Sogn, , , Norway.  Biorn Bune's father was Vedrar Grim Hjaldursson Of Sogne Earl and his mother is Herware ().  His paternal grandfather is Hjaldur Valmarsson; his maternal grandfather is Thorgerde ().  He is an only child.

They have a son named Ketel Flatness Bjornsson.