Bertram Threlfall 1888–1947 | | |
Sydney Threlfall 1891–1924 | | |
Harold Dean Threlfall 1893–1982 | | |
Joseph Arthur Threlfall 1896–1969 | | |
Norman Threlfall 1898–1981 Florence Gabsden 1898–1955 | | |
Dora Annie Beardsworth Threlfall 1901–1972 | | |
| | Joseph Threlfall 1862–1943 Emma Elizabeth Biggins 1893–1960 | | |
Annie Eliza Threlfall 1866–1872 | | |
Dora Annie Threlfall 1875–1929 Charles Richardson Hird 1877–1917 | | |
| | | | | | Joseph Threlfall 1803–1883 | | | | Joseph Threlfall 1774–1848 Elizabeth Pickthall 1781–1853 | | | | Elizabeth Stable 1755–1828 | | | | Joseph Threlfall 1712–1804 Margaret Richardson 1717–1814 | | |
| | | Elizabeth Redhead 1720–1810 | | |
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