Engenulf de Ferrieres
c965
       
        Henry de Ferrers
c980
       
        Walchelin de Ferrers
c1010
       
        Henry de Ferrers
c1035
    married Isabel de Ros    
    1st Earl of Derby   Robert de Ferrers
1062
     married Hawise de Vitre    
        Robert II de Ferrers
c1090
     married Margaret Peverel    
        William de Ferrers
c1135
     married Sybil de Braose     
        Millicent de Ferrers
c1165
     married Roger de Mortimer     
 
All persons named in this chart are my ancestors.