Spaetzel, Roy C, History and genealogy of the Witmer family. Kitchener, Ontario: author, 1977. FHL JSMB 929.271 W781s. Information from this source tagged as [Ref: Spaetzel WITMER p[0-9]*].
Sources with Information about marriage to Abraham S GINGERICH
date:
second marriage of Abraham [Ref: Spaetzel WITMER pG12],