| | Randulf Earl of Chester deBrichessart 1050–1129 Maud deAvranches 1053–1084 | | | | Randulf Count of Bayeux 1017–1047 | | | | Ancitel Count of Bayeux 992–1031 | | | | Balso Count of Bayeux …–… | | |
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| | | RichardIII Duke of Normandy 1000–1028 | | | | RichardII the Good Duke of Normandy 962–1026 Judith of Brittany 982–1017 | | |
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| | | Richard leGoz Vicompt of Avranches 1025–1066 | | | | Thurstan leGoz Lord Hiesmes 989–… Judith deMontanolier 1004–… | | | | AnsfredII LeGoz Viscount of Hiesmer 970–1035 | | |
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| | | Herluin Viscompte deConteville …–1066 Arletta of Falaise 1003–1050 | | |
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