Jones of West Virginia

I am researching the Jones family found mostly around Pleasanrs Co. W.Va. area. They were the sons and daughters of John A. Jones who was my gr.gr. grandfather. His son my gr grandparents Joab and Nancy (Duty) Jones and Grandfather Jasper and Anna (Dunn) Jones.
Have linformation on grandfathers but little or none on sons and daughtrers or spouses. Ex. Who was Nancy Duty's parents.