Wm. ALEXANDER is son of Benjamin & Susannah (Polk) ALEXANDER.Wm. b. 1749 Bucks Co., PA, d. 12-19-1836 in Mecklenburg Co., NC.WM. "Black Billy" ALEXANDER had sons ISAAC, JONATHAN and WILLIAM, Jr.I would appreciate it if anyone has info in their data base re these children.I have nothing on them.I do have their sibling Daniel Alexander, who b. 1781, d. 1862, m. 1800 Susannah Shelby. All were in Mecklenburg Co., NC.Jonathan is known to have left the Co. before 1779, the date of death for Wm BB ALEXANDER. Thanks a lot!Mac Alexander.