Alvhild was living in 1025. She was Olav's concubine. She came from England.
had a child with, son of Harald Grenske and Åsta Gudbrandsdatter. (Olav II Haraldsson of Norway was born circa 995, died on 29 Jul 1030 in Stiklestad, Nord-Trondelag, Norway and was buried in Nidaros, Trondheim, Sør-Trøndelag, Norway.)