(BET 1720 AND 1722-13 FEB 1790)
William Hosking (ABT 1750-)
| +---Thomas Lean (-APR 1625)
| +---John Lean (-1671)
| | +--- ? 
(-1615)
| +---William Lean alias Curgenven (ABT 1648-ABT 1689)
| | +---Ann ? (-1667)
| +---Benjamin Lean alias Curgenven (-1757)
| | +---Rachel Richards (-1692)
| +---Benjamin Curgenven (-AFT 1754)
| | | +---Henry Uren
| | +---Anne Uren (ABT 1672-AFT 1754)
+---Alice Curgenven (ABT 1731-06 FEB 1808)
| +---William Casley
| +---Peter Casley (ABT 1632-)
| | +---Grace Williams
| +---Peter Casley (ABT 1664-)
| | +---Elizabeth Brenfield
+---Mary Casley (ABT 1694-)
+---Mildred Weaver