This census supports the existence of a son born between 1821 and 1825.
↑ 2.02.1 The original poster indicated that he died at age 13y, 7m, 3d (no source). There is a grave in Bettsville, Seneca, Ohio for a William Rosenbarger who died 14 Jan 1838 at age 16y, 4m, 16d, which would put his birth date in fall 1821 (in conflict with Mary Elizabeth's birth date).