Ancestors of Doran James Blettenberg

             /--Robert Blettenberg  d. 14 JUL 2014
Doran James Blettenberg
             |               /--John Vernon Mumma  b. 23 SEP 1877 at Madison Twp., Butler Co., OH  d. 29 AUG 1940
             |       /--John Doran Mumma  b. 3 APR 1905 at Germantown, Montgomery Co., OH  d. 7 JUL 1960
             |       |       \--Susanna Matilda Schweitzer  b. 8 JAN 1881 at Dayton, Montgomery Co., OH  d. 1 SEP 1967
             \--Patricia Annette Mumma
                     \--Genevieve Whitlock  b. 28 MAY 1922 at Axtell, UT