(ABT 1829-)
+---Walter Hubert Buckland Pearce (18 JUL 1865-13 AUG 1930)
| +---Charlotte Coker 
(ABT 1833-)
Olivia Adele Pearce (10 APR 1892-)
| +---Edwin Bickerstaff Wesson (ABT 1791-12 APR 1827)
| +---Edwin Henry Bickerstaff Wesson (26 SEP 1820-18 MAR 1908)
| | +---Mary Ann Pengilly
+---Bessie Wesson (07 APR 1869-21 OCT 1954)
| +---William Polkinghorne (ABT 1801-)
+---Elizabeth Jane Polkinghorne (ABT 1827-09 JUL 1890)
+---Elizabeth Ould (ABT 1806-)