Harold Roby
| +---Nicholas Rienecker
+---Katherine Rienecker 
| +---Edwin Bickerstaff Wesson (ABT 1791-12 APR 1827)
| +---Edwin Henry Bickerstaff Wesson (26 SEP 1820-18 MAR 1908)
| | +---Mary Ann Pengilly
| +---Edward John Wesson (04 AUG 1860-10 JUN 1924)
| | | +---William Polkinghorne (ABT 1801-)
| | +---Elizabeth Jane Polkinghorne (ABT 1827-09 JUL 1890)
| | +---Elizabeth Ould (ABT 1806-)
+---Florence Gertrude Wesson (21 MAY 1881-17 JUN 1949)
| +---William Trembath
+---Eliza Trembath (06 OCT 1857-18 DEC 1923)
+---Eliza Inch