Benajah III was born in 1710.1 Benajah III's father was Benajah Holcomb and his mother was Martha Winchel. His paternal grandparents were Benajah Holcomb and Sarah Eno. He had three sisters named Martha, Parnell and Ann. He was the second youngest of the four children. He died at the age of 26 in 1736.1