NORTH NEWTON, Kan. — If not for great-great-grandparents who became indentured servants of Amish Mennonites in the early 19th century, Stan Bohn would probably not be a Mennonite today.

Bohn, a retired pastor, said he is one of a number of Mennonites who are discovering they have non-Mennonite branches in their family tree that were “grafted” into Anabaptism when indentured servitude was common in colonial America.