Jan Janssen Jansonius was born in Uphusen in 1755 and died in Loppersum 10/20/1834 He married Bouke harms 6/18/1786. I would like to know more about them. A son Harm Hidden Eilerts Jansonius preferred to go by Harm Hidden and his son only went by Sonius. They were both born in Loppersum. The next generation, Heinrich Jansen Sonius was born in Ditzum and migrated to the U.S.