When Kjersti Andersdotter was christened on 7 June 1775, in Brunskog, Värmland, Sweden, her father, Anders Mattiasson, was 43 and her mother, Karin Andersdotter, was 33. She married Jonas Gråberg on 26 December 1793, in Brunskog, Värmland, Sweden. They were the parents of at least 1 son. She died on 7 September 1794, in Kronan, Värmland, Sweden, at the age of 19.