Osburga of the Isle of Wight
 
      Raoul (Ralph)
de Bayeux

c890
married
Erneburge de Caux
   
    Balso
de Bayeux
c930
     
         
      AAnschitel
de Bayeux
c990
     
Ranulf I de Bayeux
c1020
 
      Ranulf II de Bayeux
c1050
     
  married Maud 'Matilda' d' Avranches
Ranulph III 'le Meschine' de Briquessart
26 Jun 1070
William FitzRanulph de Meschines
c1072
  married Lucy of Bolingbroke       Maud 'Matilda'
de Meschines

 
Alicia de Briquessart   Ranulph
de Briquessart
     
married
Richard FitzGilbert de Clare
Hugh de Klevelioc
c1145
5th Earl of Chester married Bertrade
de Montfort

married 
Hugh de Mortimer
    Matilda 'Maud' of Chester
c1170
      c1125
    married David
of Huntingdon