Groff, Clyde L, Walter B Groff, Jane Evans Best, The Groff Book, Ronks, PA: Groff History Associates, 1985. NYPL APV (Groff) 86-1589 v1. Information from this source tagged as [Ref: GroffCL GROFF p[0-9]*].
Sources for birth and parent Information
date:
[Ref: GroffCL GROFF p39],
parents:
[Ref: GroffCL GROFF p39]
Sources for death Information
date:
[Ref: GroffCL GROFF p39]
Sources with Information about marriage to Magdalena WEBER
date:
first marriage of Magdalena [Ref: GroffCL GROFF p39],