Frank may have had a brother, Julian, living in Cleveland. There is an entry in the Cuyahoga County Marriage Index that shows a marriage occurred at approximately the same time that Frank married. The following is Julian's entry: PRZYBOJEWSKI, ANN and BYLEWSKI, JULUAN vol.0176 pg.0141

Social Security Death Index lists a Frank Bylewski in Burton, Geauga County, Ohio. The date of birth is appropriate for this Frank. Could be his data:
Born: 24 Jan 1879
Died: Jan 1976

1. Joseph B. BYLEWSKI b. 2 Aug 1900; d. Nov 1970, Olmsted Falls, Cuyahoga, Ohio.
2. Frank J. BYLEWSKI, Jr. b. 23 May 1902; d. 17 Apr 1968, Cleveland, Cuyahoga, Ohio.
3. Leo BYLEWSKI
4. Peter BYLEWSKI, (White)