[S217] 1930 US Census.
Perquimans County, NC - District 4, Hertford, Sheet 10B - http://is.gd/b8dOZ - they were married when they were both 29 years old.
[S274] "Obituary: Benjamin G. Koonce Sr." Daily Advance [Elizabeth City, NC] 28 Feb. 1959: 5. Print..