William Janson POTTS 1896–1917 Gladys Isabelle THORNDIKE 1888–1983 | | |
| | | | | | Robert Ullock POTTS 1807–1880 |
| | | John William JANSON 1831–1910 | | | | Eliza Jane DEARMAN 1807–1881 | | | | | John Petty DEARMAN 1761–1808 |
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| | | Sophia Elizabeth POWNALL 1815–1908 | | | | Jane Antoinette Louisa SAPTE 1779–1856 | | | | | David Francis SAPTE 1732–1788 Marie Catherine Elisabeth Aurore Amelie GALIATTI – | | |
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| | | Charles Edward POWNALL 1787–1856 Sophia Matilda GRAHAM 1791–1868 | | |
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