+---Richard Ferrett (02 SEP 1755-)
| +---Joan Jollow 
William Ferrett (13 MAR 1777-)
| +---John Folly
| +---Benjamin Folly (26 MAR 1688-)
| | +---Hannah ?
| +---William Folly (25 NOV 1729-)
| | +---Ruth ?
+---Sarah Folly (27 FEB 1756-)
+---Elizabeth ?