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Male Roger G. Knapp Click to view Roger G. Knapp in the family tree

Roger G.'s father was Harry Parker Knapp and his mother was Alice Deck.  His paternal grandparents were Rollin G. Knapp and Cora L. Parker. He had a brother named Harry Ward. He had four half-brothers and a half-sister, named John Rollin, David Harry, Alan Darwin, Edwin Birke and Jane Hamilton.

Sources/Citations
World Family Tree Vol. 1, Ed. 1 @ Tree #1377, phelps.FTW