Ancestors of Gretchen Marjorie McClintock

                     /--John Calvin McClintock  b. 2 MAR 1906 at Iowa City, IA  d. 3 FEB 1969
             /--John Thomas McClintock
             |       |       /--Morton Claire Mumma  b. 8 MAR 1878 at Benton Ridge, Hancock Co., OH  d. 30 MAY 1945
             |       \--Martha Alona Mumma  b. 6 OCT 1907 at Des Moines, IA  d. 22 FEB 1992
             |               \--Gail Cass Zugschwert  b. 25 JUL 1877 at Kenton, OH  d. 28 DEC 1969
Gretchen Marjorie McClintock
             \--Kirsten Walbillig