Descent of

Show Jean Ier de Ponthieu-Montgomery's parentsShow Jean Ier de Ponthieu-Montgomery's parents
Show Béatrix de Saint Pol's parentsShow Béatrix de Saint Pol's parents
Jean Ier de Ponthieu-Montgomery
(~1142-30/06/1191)
 united to
Béatrix de Saint Pol
(~1147-)

Adèle de Ponthieu (23/04/1172-18/09/1241) Show this unionShow this union Thomas Ier de Saint Valery (25/07/1173-27/07/1214) Show their descendants
Marguerite de Ponthieu-Montgomery (~1180-) Show this unionShow this union Enguerrand de Picquigny (~1168-11/1224) Show their descendants
Blandine de Ponthieu (~1189-) Show this unionShow this union Hugues IV de Brimeux (~1184-02/02/1244) Show their descendants


Source 1 pygaveau
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