My grandmother was from the Yunker family. I have a lot of background information on her family from Madison/China Indian. My grandmothers name was Gladys Alma Yunker and her fathers name was Sylverster C. Yunker who was married to a Elma Schafer and they had five children named Clarence W. - Gladys A. - J. Howard - Sylverster L. and Inez L. Yunker.