The mother of Karin Larsdotter, the wife of Oluf Hemmingsson was probably Kerstin Israelsdotter, according to conjectures based an old court records. This was explained in Swedish at espell.se/hammerdal and was lifted from there to Rootsweb: http://worldconnect.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=scotstar&id=I34920
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I > Israelsdotter > Kerstin Israelsdotter
http://worldconnect.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=scotstar&id=I53119 the mother of the Karin Larsdotter who was married to Olof Hemmingsson in Stugun was named Kerstin Israelsdotter - not Anna Andersdotter, which would have been the correct form of her name.
Female with male patronymic, caught by the error report http://wikitree.sdms.si/function/WTWeb/errors.htm?UserID=9275850