1920 U.S. Federal Census - Helen M. (Janes) Caswell & sons

Helen M. (Janes) Caswell (74), Ira Jed Caswell (45), Horace A. Caswell (43)

Additionally, Henry G. Williams (83) is listed as a brother-in-law (he is a widower at this time - wife was Sarah Ann Janes, Helen's sister, who died June 11, 1893)