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Geoffrey de Mandeville the Domesday magnate
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Geoffrey de Mandeville came with the Conqueror and held one of the dozen greatest fiefs in Domesday Book, with London's Tower in his family's keeping.
Research notes
✓ GEOFFREY DE MANDEVILLE (d. c.1100), Domesday tenant-in-chief of the first rank; grandfather's rung of the Essex earls (Round, Geoffrey de Mandeville - the classic study; CP 'Essex'). ||RESEARCH-FLAG|| FRONTIER - nothing proven above. Added 14 Sep 2026. UPDATE 25 Oct 2026: his daughter Beatrix (wife of Geoffroy de Boulogne, Domesday Carshalton) wired - a second road from him.