+---Isaac Studd (1779-BEF 1881)
| +---Sarah ? 
+---Samuel Studd (ABT 1827-)
| | +---John Leech
| | +---John Leech (ABT 1735-)
| | | +---Elizabeth Frost
| | +---Robert Leech (ABT 1772-)
| | | +---Ann ?
| +---Sarah Leach (ABT 1793-)
| +---Ann ?
Isaac William Studd (ABT 1849-)
+---Charlotte Elizabeth Cooper (ABT 1830-)
+---Elizabeth Cooper