4-Generation Descendancy Chart
for
Robert Roy Mumma
1
Robert Roy Mumma
(2 AUG 1896 - 15 SEP 1951)
+
Elva L. Grouse
(14 JAN 1897 - 25 DEC 1975)
2
Robert R. Mumma
(11 NOV 1922 - 7 JUL 1993)
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