Stenkil [SEP] father
in Norway and a cognatic descendant of Harald Fairhair. Later historians have identified the father of Stenkil Ragnvald Ulfsson who was the earl of Staraja Ladoga and the grandson of the legendary Viking Skoglar Toste. But this presumed family-connection is not supported by any other sources and must therefore be regarded as very uncertain. The Icelandic sagas mention a wife and two sons to Ragnvald Ulfsson but none are identical with Stenkil and his mother Astrid. The contemporary chronicler Adam of Bremen says Stenkil was the nephew ("nepos") or stepson
Halsten Stenkilsson
Halsten Stenkilsson, English exonym: Alstan (Old Icelandic: "Hallstein") was a king of Sweden, son of King Stenkil and a Swedish princess. He became king some time after his father Stenkil's death (1066), and he may have ruled together with his brother Inge the Elder. 
The date of his death is not known.
Brief kingship.
Little is known of his time as king. In a "scholia" in the work of Adam of Bremen, he is