Guy II Ponthieu De+ Montgomery
Guy II Ponthieu De+ was born about 1112.  He died in 1147.

 Ida De Chatillon De+ Saint Pol
Ida De Chatillon De+ was born about 1124 in Saint Pol, France.

 Jean I De+ Ponthieu
Jean I De+ was born about 1142 in Montreuil, Flandres, France.  He died on June 30th, 1191 in Saint-Jean d'Acre, Palestine.