Thank you for this new information, I still have not found their graves or death documentation. I wonder why the four Bullock children were living with Moses and Priscilla in June of 1880 if their father, James K.P. was still alive until June 1881(1880 Census). I have mapped all of the Cemeteries in Mecklenburg and Charlotte County, I hope someday to make a road trip into southern Virgina and solve this mystery.
Thanks again for your help,