(-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
+---Richard Andrewartha (02 NOV 1718-17 OCT 1767)
| +---Mary Whitfar (ABT 1684-ABT 1748)
+---Richard Andrewartha (ABT 1755-19 OCT 1822)
| +---Mary Shugg (ABT 1722-ABT 1782)
+---Phillip Andrewartha (ABT 1792-04 MAR 1873)
| +---Rebecca Lobb (22 FEB 1756-21 NOV 1828)
+---John Andrewartha (ABT 1832-17 SEP 1901)
| +---Elizabeth Cockin (17 FEB 1793-24 SEP 1865)
+---Richard Andrewartha (05 APR 1857-1920)
| +---Mary Boney (1831-16 DEC 1915)
Frank Andrewartha (1887-1953)
+---Ellen Boyce (1859-1935)