+---Francis Bullen (ABT 1791-BEF 1871)
| +---Ann Pearce 
+---Francis Bullen (ABT 1820-)
| | +---James Trethewy
| | +---Richard Trethewy (ABT 1665-JAN 1741)
| | +---Richard Trethewy (ABT 1700-ABT 1764)
| | | +---Ann Martyn (ABT 1666-JUN 1738)
| | +---Richard Trethewy (ABT 1728-21 APR 1818)
| | | | +---Humphrey Harris
| | | | +---Gilbert Harris (ABT 1637-)
| | | | +---Gilbert Harris (ABT 1665-)
| | | | | | +---Richard Wills
| | | | | +---Jenifer Wills (ABT 1632-)
| | | | | +---Christian Best
| | | +---Jenifer Harris (ABT 1696-1780)
| | | | +---Thomas Hockin (-ABT 1607)
| | | | +---John Hockin
| | | | | +---Elizabeth ?
| | | | +---John Hockin
| | | | +---John Hockin (ABT 1616-DEC 1696)
| | | +---Elizabeth Hockin (ABT 1658-)
| | | +---Blanche ? (-ABT 1699)
| | +---John Trethewy (ABT 1762-29 OCT 1844)
| | | | +---David Warne
| | | | +---John Warne (ABT 1656-)
| | | | | | +---Henry Arthur
| | | | | | +---Gregory Arthur (ABT 1599-)
| | | | | +---Honor Arthur (ABT 1632-)
| | | | +---John Warne (ABT 1700-)
| | | | | | +---Richard Rounsevall
| | | | | | +---Gregory Rounsevall (ABT 1617-)
| | | | | | | +---Jane ?
| | | | | +---Jane Rounsevall (ABT 1664-)
| | | | | +---Mary Olver
| | | +---Mary Warne (ABT 1730-30 MAY 1786)
| | | | +---Johannes Doketon
| | | | +---John Doketon (BEF 1459-)
| | | | +---Thomas Doketon (BEF 1490-)
| | | | +---Richard Docton (-JAN 1571)
| | | | | +---Alicia Ash (BEF 1490-)
| | | | +---Thomas Docton (-AUG 1638)
| | | | | +---Thomasin Saunder
| | | | +---John Docton (ABT 1600-JUN 1650)
| | | | | +---Susanna (Susan) Babacom (-DEC 1634)
| | | | +---John Docton (ABT 1636-)
| | | | | | +---John Arundell of Lanherne
| | | | | | +---Thomas Arundell of Lanherne
| | | | | | | | +---Gerald Danet
| | | | | | | +---Elizabeth Danet
| | | | | | +---Thomas Arundell (-AFT 1620)
| | | | | | | +---Elizabeth Trengove of Nance
| | | | | +---Cecilia Arundell (-MAR 1639)
| | | | | +---Rachell Monp'son
| | | +---Honor Docton (ABT 1700-)
| | | | +---Thomas Tregeare
| | | | +---Henry Tregeare (ABT 1609-)
| | | +---Mary Tregeare (ABT 1655-)
| | | +---Mary ?
| +---Jennifer (Jane) Trethewy (ABT 1796-1872)
| | +---William Perkin (-1688)
| | +---John Parkin
| | | +---Mary ?
| | +---William Parkin (ABT 1690-)
| | +---William Parkin (ABT 1719-1784)
| | | | +---Richard Morlyn (-ABT 1730)
| | | +---Anne Morlyn (ABT 1695-)
| | | | +---Nicholas Trethewy (-ABT 1680)
| | | +---Julyan Trethewy (ABT 1652-)
| | | | +---Bartholomew James (-ABT AUG 1636)
| | | | | +---Sicelie ? (-1608)
| | | +---Petronell James (-ABT 1692)
| | | +---Joan ?
| +---Elizabeth Parkin (ABT 1766-24 MAY 1848)
| | +---Richard Osborne (-JUN 1667)
| | | +---Eme Varcoe
| | +---Richard Osborne
| | | +---Joan ?
| | +---Richard Osborne (-NOV 1707)
| | | | +---Arthur Michell (-ABT 1657)
| | | +---Constance Michell (ABT 1635-APR 1717)
| | | | +---Thomas Corne (-1647)
| | | +---Blanche Corne
| | +---Benjamin Osborne (ABT 1687-NOV 1738)
| | | +---Bettres ?
| +---Elizabeth Osborne (ABT 1721-)
| | +---Thomas Tregenza
| | +---Thomas Tregenza (ABT 1633-)
| | | +---Julian ? (-30 APR 1665)
| | +---Nicholas Tregenza (ABT 1655-APR 1734)
| | | +---Mary ?
| +---Ann Tregenza (ABT 1687-)
+---Moses Bullen (ABT 1854-)
| | +---John Cundy
| | +---Solomon Cundy (ABT 1690-DEC 1759)
| | +---John Cundy (ABT 1722-)
| | | | +---David Pearce
| | | | +---Isaack Pearce (ABT 1666-)
| | | | | +---Alice ?
| | | +---Alice Pearce (ABT 1698-NOV 1739)
| | | +---Alice ?
| | +---George Cundy (ABT 1757-)
| | | | +---James Trethewy (ABT 1517-ABT 1573)
| | | | +---Richard Trethewy (BEF 1550-)
| | | | +---Robert Trethewy (BEF 1575-DEC 1623)
| | | | | | +---William Hawkins
| | | | | +---Joan Hawkins (ABT 1530-)
| | | | +---Thomas Trethewy (ABT 1596-ABT 1664)
| | | | | +---Ann Burgess (-ABT 1637)
| | | | +---Robert Trethewy (AFT 1642-ABT 1690)
| | | | | | +---William Jolley
| | | | | +---Isabel Jolley (ABT 1606-)
| | | | +---Charles Trethewy (AFT 1673-DEC 1735)
| | | | | | +---John Scawen
| | | | | | +---Trehane Scawen (ABT 1614-)
| | | | | | | | +---John Trehane
| | | | | | | +---Elizabeth Trehane
| | | | | +---Dorothy Scawen (ABT 1653-)
| | | | | | +---Gregory Arundell (-ABT 1653)
| | | | | +---Dorothy Arundell
| | | | | +---Edith Crane (-ABT 1666)
| | | | +---John Trethewy (ABT 1700-)
| | | | | +---Jane Williams (BEF 1683-)
| | | +---Jane Trethewy (ABT 1723-BEF 1799)
| | | | +---William Perkin (-1688)
| | | | +---John Parkin
| | | | | +---Mary ?
| | | +---Philadelphia Parkin (ABT 1694-MAY 1783)
| | +---Richard Cunday (ABT 1792-)
| | | +---Ann Snell
| +---Ann Cundy (26 MAY 1822-)
| +---Mary Ann ? (ABT 1805-)
Annie E Bullen (ABT 1880-)
+---Mary Varcoe (ABT 1857-)