+--John THWING  (5 APR 1719-1769)
   +--John THWING  (11 JUL 1756-16 JUN 1836)
   |  +--Thankful EDWARDS  (1725-30 NOV 1770)
+--Fordyce THWING  (25 MAY 1801-21 APR 1863)
|  +--Chloe PACKARD  (9 JAN 1758-21 MAR 1848)
Yorister THWING  (5 JAN 1826-8 APR 1829)
+--Relief ("Leafa") CLAPP  (14 NOV 1802-15 SEP 1886)