1880 United States Federal Census Record 1

Family 70
Joseph A. Shaffer 42
Virginia M. 28
Sarah E. 18
Christopher C. 15
Edwina A. 10
Urias E. 8
Susan E. 6
Elizabeth F. 4
Jacob A. 2

As best I can determine Joseph was married 3 times

1. Mary Francis McClung - 1859
2. Amanda Shackleford - 1867
3. Virginia Margaret Evans - 1870

CC Shaffer would have been the son of Mary Francis McClung as he was born ~1864.