+--John LISLE  (1758-27 DEC 1808)
Robert Irwin LISLE  (18 SEP 1785-31 MAR 1862)
|  +--Thomas IRWIN  (ABT 1735-2 DEC 1799)
+--Rachel IRWIN  (ABT 1762-BEF JUN 1824)
   +--Rachel (IRWIN)  (-17 AUG 1812)