1. Elwyn B. Knapp

Son of unknown father and mother. He was born the friday 17 november 1905 in Groton, Tompkins, New York. Elwyn B. is deceased in Ithaca, Tompkins, New York the tuesday 29 july 1969 aged of 63 years old. He was buried in Groton Rural Cemetery, Groton, Tompkins, New York the friday 1 august 1969.

a. Elwyn B. is married aged of 20 years old the thursday 31 december 1925 in Groton, Tompkins, New York with Helen E. Sincerbeaux aged of 20 years old, daughter of John Cobb Sincerbeaux and Claudia Sophronia Knettles. She was born the saturday 29 july 1905 in Groton, Tompkins, New York. Helen E. is deceased in Ithaca, Tompkins, New York the 2 march 1986 aged of 80 years old. She was buried in Groton Rural Cemetery, Groton, Tompkins, New York the wednesday 5 march 1986.

No children were born from this union.