Alice Denise Johnson 
| +---John Henry Swann (06 JUL 1868-13 JAN 1949)
| +---John Albert Swann
| | | +---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)
| | | +---John Andrewartha (ABT 1645-ABT 1720)
| | | | | +---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 1777)
| | | | +---Elizabeth Orgal (-21 SEP 1737)
| | | +---William Andrewartha (ABT 1735-)
| | | | +---Sarah Harvey (ABT 1709-ABT 1788)
| | | +---John Andrew (ABT 1765-OCT 1835)
| | | | +---Elisabeth Ford (ABT 1737-NOV 1799)
| | | +---William Andrewartha (ABT 1801-)
| | | | +---Dorcas Carbess (01 MAR 1767-03 NOV 1846)
| | | +---John Andrewartha (ABT 1833-13 MAY 1876)
| | | | | +---Richard Andrewartha
| | | | +---Mary Andrewartha (ABT 1799-)
| | | | +---Margery ?
| | +---Ellen Andrewartha (24 MAY 1868-18 APR 1947)
| | | +---Hugh Hotten (ABT 1654-SEP 1733)
| | | +---John Hotten (ABT 1700-JAN 1782)
| | | | | +---John Oliver (-AUG 1668)
| | | | +---Thamason Oliver (ABT 1666-)
| | | +---John Hotten
| | | | +---Bathsheba Teague (-1735)
| | | +---John Hotten (ABT 1756-)
| | | | +---Ann Bennetts
| | | +---John Hotten (ABT 1784-)
| | | | +---Alice Cocking
| | | +---John Hotten (ABT 1807-ABT 1840)
| | | | +---Honour Newton
| | +---Louisa Hotten (ABT 1837-06 JUN 1917)
| | | +---Thomas Trevillian
| | | +---Thomas Trevillian (ABT 1789-)
| | | | +---Honour Provis
| | +---Jane Trevillian (24 JAN 1816-30 MAY 1895)
| | +---Christiana Lean (ABT 1795-)
+---Alberta Swann
+---Ruth Wallace