Edwin Johns (04 FEB 1873-10 MAY 1874)
| +---Thomas Mitchell (17 NOV 1799-)
+---Mary Ann Mitchell 
(15 AUG 1840-12 MAY 1903)
| +---James Rowe (ABT 1778-)
+---Alice Rowe
| +---Richard Thomas
| +---Richard Thomas (ABT 1736-)
| | | +---Philip Trewartha (-ABT 1624)
| | | +---John Trewartha (ABT 1598-1687)
| | | | | +---Henry Cock (ABT 1537-ABT 1616)
| | | | +---Agnes Cock (ABT 1564-)
| | | | | +---Lawrence Rondall alias Tolsethen
| | | | +---Margery Rondall (-ABT 1623)
| | | +---Philip Andrewartha (ABT 1642-MAY 1705)
| | | | | +---John Carthew
| | | | +---Mary Carthew (ABT 1609-MAR 1671)
| | | | | +---Robert Jenken (-ABT 1569)
| | | | | +---Richard Roberts alias Trevernan alias Jenken (-ABT 1624)
| | | | | | +---Jennet ? (-ABT 1588)
| | | | +---Eleanor Roberts (ABT 1567-ABT 1655)
| | | | | +---John Tremeryn
| | | | +---Johan or Jane Tremeryn (-ABT 1603)
| | | | +---Jennet ? (-ABT 1588)
| | | +---John Andrewartha (ABT 1680-ABT 1720)
| | | | | +---Henry Cock (ABT 1537-ABT 1616)
| | | | | +---William Cock alias Connerwartha (ABT 1572-1645)
| | | | | | | +---Lawrence Rondall alias Tolsethen
| | | | | | +---Margery Rondall (-ABT 1623)
| | | | | +---Henry Cock (ABT 1604-ABT 1659)
| | | | | | | +---James Edwards
| | | | | | +---Alice Edwards (-ABT 1614)
| | | | +---Mary Cock (ABT 1656-MAY 1720)
| | | | | +---Edwards Williams
| | | | +---Cheston Williams (-ABT 1665)
| | | | +---Agnes Jenkin
| | +---Mary Andrewartha (12 OCT 1705-07 MAR 1737)
| | +---Mary Whitfar (ABT 1684-ABT 1748)
+---Mary Thomas (24 JAN 1780-)
+---Grace Roberts (ABT 1736-)