Introduction: the Jantzi/Yantzi/Yancey family from Lorraine, France to Lewis County, New York and Ontario, Canada with smaller contingents soon moving on to Iowa and Illinois; Supplement: additions and corrections to Family history and genealogy of John Jantzi and Elizabeth Gerber by Mrs Menno W. Kuepfer and Lorraine Roth, 1974 and to The family history and genealogy of Joseph and Catherine (Boshart) Jantzi, Christian and Catherine (Boshart, Jantzi) Riser, John and Anna (Jausi) Ulrich by Ruth Yantzi Ryan and Lorraine Roth, 1982