Sophronia Allen was born around 1806 in Massachusetts. Her first husband, with whom she had a child, was Ahira Kelley. Her second husband was Reuben Newcomb (26 Nov 1807 - 11 Sep 1853). Sophronia and Reuben had three children: Edwin (died in infancy), Sophronia, and Edwin. Reuben's first wife was Diana Phillips, with whom he had four children.
Information from J.B. Newcomb and B.M. Newcomb.