+--James NICHOLSON  (1793-1860)
+--Thomas Jefferson NICHOLSON  (1826-1880)
|  |     +--Rev John CHASTAIN, SR  (1742-31 JUL 1805)
|  |  +--Edward Brigand CHASTAIN  (29 MAR 1769-1834)
|  |  |  +--Mary O'BRYAN  (1743-1790)
|  +--Lavinia CHASTAIN  (1796-1865)
|     +--Hannah BROWN  (27 JAN 1769-1834)
Minnie Lakin ROBISON  (24 AUG 1881-)
+--Rebecca E PETTY  (ABT 1847-)