Hannah Elizabeth Costello – | | |
Alicia Marie-Louise Costello – | | |
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| | Joyce Elizabeth Lovelock 1927–2002 Albert William Costello 1928–1990 | | | | William Leslie Lovelock 1895–1964 Georgina Harriet Walker 1903–1989 | | | | Sarah Ellen Mills 1861–1932 | | | | | | | | William Lovelock 1794–1869 Elizabeth Hooper 1796–1831 | | |
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| | | | | | | | William Lovelock 1794–1869 Elizabeth Hooper 1796–1831 | | |
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| | | Albert Edward Costello 1892–1971 Elizabeth Violette Bonnick 1893–1976 |
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