Family: John Sibbald WALKER, .6th / Elizabeth WYKHAM (F36)
John THOMAS WALKER, .2nd (1792-1875) 
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Margaret SIBBALD (1794-1861)
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| Thomas WALKER, .i (1815- ) |
Jane WALKER, .2 (1816- )  |
| Robert Raymond WALKER, .4th (1821-1881) |
| George Michael WALKER, .3rd (1822-1892) |
| Margaret Ann WALKER, .i (1825-1825) |
| Margaret WALKER, .ii (1827- ) |
| Elizabeth WYKHAM (1828-1903) |
| John Sibbald WALKER, .6th (1819-1879)
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| Sarah Jane WALKER, .1 (1856-1907) |
| Charles Henry WALKER, .1 (1857-1908) |
| Mary Ann WALKER, .4 (1858-1907) |
| James Wykham WALKER, .3 (1864-1936) |