Fighting Kings of Wessex @ p 178, great grandson of Ragnar Lodbrok, brother of Ragnvald O'Ivar, no parents
The cited information was published by Combined Books, Conshohocken, PA, 1996 (Ref: p 178, great grandson of Ragnar Lodbrok, brother of Ragnvald O'Ivar, no parents) The author/originator was G.P. Baker.