Alvin Groff Hallman 
Alvin Groff's father was Menno Hunsberger Hallman and his mother was Anna Bricker Groff. His paternal grandparents were Benjamin Detweiller Hallman and Catherine Bergey Hunsberger. He had two brothers and two sisters, named Orlando Groff, Ephraim D. Groff, Miranda Groff and Nora Laura Groff.
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