John Alexander Forbes-Leith 1928–1949 | | |
Sir Alexander George Forbes-Leith 1929–2000 Jane Kate McCall-McCowan 1935–1989 | | |
| | Ruth Avis Barnett 1897–1973 Sir Robert Ian Algernon Forbes-Leith 1902–1973 | | |
George Alexander Barnett 1898–1971 | | |
Peter William Barnett 1899–1994 Vera Kate Churchman 1912–1985 | | |
Gillian Straker 1901–1978 | | |
John Curtis Barnett 1904–1972 | | |
| | Edward George Barnett 1864– Amy Emma Browne 1864–1949 | | | | William Edward Barnett 1830–1869 | | | | Frances Alice Surtees 1821–1884 | | | | Margaret Robinson 1785–1836 | | |
| | | Anthony Surtees 1769–1838 | | | | | Christopher Blackett 1751–1829 | | |
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