Edward John Turnbull Barkus 1911–1992 | | | | Blackett Charlton Barkus 1874–1925 Mary Ann Turnbull 1873–1962 | | | | | | | | Anthony Ralph Blackett Charlton 1823–1898 Mary Ann Bainbridge 1823–1891 | | | | Edward Charlton 1788–1852 Elizabeth Blackett 1791–1865 | | |
| | | Ann (Welton) Walton 1786– | | |
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