When Magnus Andersson was born on 7 October 1770, in Femsjö, Jönköping, Sweden, his father, Anders Masson, was 31 and his mother, Bengta Jönsdotter, was 27. He married Johanna Arfvidsdotter on 9 December 1798, in Långaryd, Jönköping, Sweden. They were the parents of at least 1 son. He died on 11 December 1800, at the age of 30.