Mabile de Beaumont was born on an unknown date to Robert de Beaumont, Count of Meulan (c1142-1204) and Maud FitzRoy (c1143-) and died after 1 May 1204 of unspecified causes. She married William de Redvers, 5th Earl of Devon (?-1217) . William I of England (1027-1087), Charlemagne (747-814), Hugh Capet (c940-996), Rollo of Normandy (860-932), Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Rollo of Normandy (860-932)/s.
|Baldwin de Redvers (c1200-1216)|
|Maude de Redvers (c1196-aft1242)||1196||1242||Robert de Courtenay (c1160-1242)|
|Joan de Redvers (?-?)|