Craig Sowman (ABT APR 1974-)
| +---William Thomas Hitchcock (ABT 1800-)
| +---Thomas Hitchcock (1827-15 SEP 1903)
| | +---Maria Jane Bloomfield 
| +---Henry Hitchcock (18 NOV 1858-26 MAY 1937)
| | +---Elizabeth Elliot (1830-12 AUG 1888)
| +---George Hitchcock (19 APR 1880-26 JUL 1958)
| | +---Alice Stent (13 SEP 1863-15 MAR 1925)
| +---Kenneth Richard Hitchcock (1919-)
| | | +---John Clemmow (ABT 1500-)
| | | +---Walter Clemmow (ABT 1540-)
| | | +---Robert Clymow (ABT 1570-)
| | | | +---Maria Body
| | | +---John Clemowe (ABT 1599-)
| | | | +---Onera Hocking
| | | +---Francis Clemow (ABT 1646-)
| | | | +---Elizabeth Spry
| | | +---George Clemo (ABT 1663-)
| | | | +---Ann Jane (ABT 1646-)
| | | +---George Petherick Clemo (ABT 1692-)
| | | | +---Dorothy Honor
| | | +---John Clemo (ABT 1725-)
| | | | +---Margery Goodfellow
| | | +---Thomas Clymoe (ABT 1758-)
| | | | +---Joyce Bunster
| | | +---John Climo (ABT 1799-14 FEB 1847)
| | | | +---Catherine Burton (ABT 1758-13 FEB 1846)
| | | +---James Climo (08 FEB 1820-10 SEP 1911)
| | | | +---Mary Mann
| | | +---George Climo (12 AUG 1850-25 SEP 1903)
| | | | | +---John Phillips
| | | | +---Jane Phillips (ABT 1821-01 JUL 1884)
| | | | +---Ann Cox
| | +---Martha Climo (13 FEB 1895-17 SEP 1961)
| | +---Alice Martha Hollyman (07 AUG 1857-17 MAY 1937)
+---Noelene Hitchcock (1947-)
+---Nola Newman