Enguerrand II De+ Ponthieu
Enguerrand II De+ was born about 1030.  He died in 1053.

 Adelahide Alice Of+ Normandy
Adelahide Alice Of+ was born about 1027 in Normandy, France.  She died before 1090.

 Adeline De+ Lancaster
Adeline De+ was born before 1054.

 Peter de Ponthieu De+ Valoines
Peter de Ponthieu De+ was born before 1054 in Normandy, France.

 Elissende De+ Ponthieu
Elissende De+ was born before 1054.