Check http://index.rbhayes.org/http://index.rbhayes.org/ for Edward. His obit should mention his daughters' married names and the location of them and Gary.
Just found this; could this be your Aunt Donna's brother?
MILLER, CHARLES D. Brother of Fostorian Charles D. Miller, 60, of Segur St., Toledo, died 8:30 a.m. Monday, Oct. 14, 2002, at St. Vincent's Mercy Medical Center in Toledo. He was born Aug. 14, 1942, in North Baltimore, to Charles E. and Ida M. (Steele) Miller. On March 18, 1962, he married Janet L. (Doll) Miller, in Fostoria. She survives in Toledo. Also surviving are: a daughter, Diana Miller of Toledo; a brother, Robert Wright of Monroe, Mich., three sisters, Geraldine Harrison of Fostoria, Velma Green of Albion, Ind., Donna Dockery of Tenn.; 10 grandchildren. Graveside services will be 10:30 a.m. Thursday at Knollcrest Gardens in Arcadia. Burial will be in Knollcrest Gardens. There will be no visitation.