In several of your postings you have stated that John had a son named Willis. I am descended from a Willis Abbott who was born in South Carolina in 1815. He is shown in the 1850 Cass Co., GA census as Willis S. Abbott with wife Vina and two children. They are living next to the household of Aaron Conaway. Marriage records of Lumpkin Co.,GA show a Sampson Abbott marrying Viney Conaway on July 8, 1841. They eventually moved on to Winston and Marion Counties in Alabama. Could this Willis Sampson Abbott be a brother to your Simpson Abbott and a son of John.