Jean D' Ponthieu
Jean was born in 1142 in Ponthieu,France.  He died at the age of 49 on June 30th, 1191 in Acre,Palestine.

 Beatrice St. Pol
Beatrice was born in 1155 in Saint Pol,France.  She died at the age of 49 in 1204.

 Guillaume II D' Ponthieu
Guillaume II was born in 1179.