Thomas William Rowntree 1891– | | |
George Albert Rowntree 1899– | | |
Elizabeth Martha Rowntree 1900– | | |
| | | | | | Thomas Harrison Rowntree 1828–1891 Isabella Blackett 1824–1881 | | | | | George Blackett 1795–1859 Ann (Foscott) Postgate 1799–1856 | | | | George Blackett 1743–1830 |
| | | Robert Postgate 1765–1847 |
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