From the censuses, Charles W. Foglesong was living in Van Buren Co., Iowa in Chesquest Twp. in 1870. He seems to be living with his parents and grandparents.
Charles Foglesong, 69, VA, farm laborer
Mary, 68, Va
Andrew J., 27, MO, farm laborer
Nancy M., 21, Ill
Mary A., 25, Mo
Charles W., 1, Iowa
1880 census Davis Co., Iowa; Roscoe Twp.
Andrew A. Foglesong, 37, Mo
Margaret N., wife, 31, Ill
Charles W., son, 11, Iowa
Mary C., dau, 9, Iowa
Effie May, dau, 6, Iowa
I don't know where Charles W. and Julia married, but I'd check Oklahoma first since that is where the kids were born.