Walter
de Warenne
c925
Seigneur de Saint-Martin-sous-Bellencombre, Haute Normandie, France   
              William 'Hugh'
de Warenne
c950
     
              Ranulph
de Warenne
c995
     
              Ranulph
de Warenne
c1017
     
              William I
de Warenne
c1035
1st Earl of Surrey    
William II
de Warenne

c1080
2nd Earl of Surrey
married Elizabeth de Vermandois, daughter of Hugh 'the Great'
Gundred married
William 'Taillebois' de Lancaster

5th Baron of Kendal
Gundred
de Warenne
c1117
      Reginald
de Warenne
c1120
  William III
de Warenne
3rd Earl of Surrey
          Ela de Warenne
Ela married Duncan MacDuff Isabel de Warenne Isabel married
Hamelin d' Anjou
                Adella
de Warrren
Adella had a child with King John of England
                  Richard of
Wallingford
 
     
Gundred, Reginald and William III are all ancestors of mine (follow the links)