Gibbs Family Tree
Family: Julian Ayer / Harriet Spencer Crawley (F2091)
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 | Aidan Merivale Crawley, MBE, TD (1908-1993)
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 | Harriet Virginia Spencer Cowles (1910-1983) |
Andrew Hayward Crawley (1947-1988)  |
| Randall Stafford Crawley (1950-1988) |
| Julian Ayer (1939-2004) |