Esme Frances Sylvia IRBY 1901–1959 Evan George Charles CAVNDISH OBE 1891–1955 | | |
| | Gilbert Neville Smyth IRBY 1864–1940 | | | | Emily Frances WAY 1836–1914 | | | | | | | | | | | | Elizabeth Anne COOKE 1746–1825 | | |
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| | | Florance George Henry IRBY Vth Baron Boston 1837–1877 Augusta Caroline SAUMAREZ 1839–1929 | | | | George Ives IRBY IVth Baron Boston 1802–1869 Fanny Elizabeth HOPKINS-NORTHEY 1805–1860 Caroline Amelia SAUMAREZ 1841–1922 | | | | George IRBY III Baron Boston 1777–1856 Rachel Ives DRAKE 1782–1830 | | | | Christiana METHUEN 1750–1832 | | |
| | | William DRAKE MP 1748–1795 Rachel Elizabeth IVES 1761–1784 | | |
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| | | William Richard HOPKINS-NORTHEY 1783–1826 Anne Elizabeth FORTESCUE –1864 | | |
| | | John St Vincent SAUMAREZ 3rd Baron 1806–1891 Caroline Esther RHODES 1818–1846 Margaret Antoinette HOPKINS-NORTHEY 1818–1904 | | | | James SAUMAREZ 1st Baron 1757–1836 | | |
| | | | William Richard HOPKINS-NORTHEY 1783–1826 Anne Elizabeth FORTESCUE –1864 | | |
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| | | John St Vincent SAUMAREZ 3rd Baron 1806–1891 Caroline Esther RHODES 1818–1846 Margaret Antoinette HOPKINS-NORTHEY 1818–1904 | | | | James SAUMAREZ 1st Baron 1757–1836 | | |
| | | | William Richard HOPKINS-NORTHEY 1783–1826 Anne Elizabeth FORTESCUE –1864 | | |
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