Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: 30 June 1191.
Place of Death: Acre.
The date and place are given by Brunel (p. vi).
Relationships
Father: Guy (II), count of Ponthieu.
This relationship is given by Cokayne (p. 100), by Brunel (p. vi), and by Tanner.
Mother: Ida.
This relationship is given by Cokayne (p. 100) and by Tanner.
Spouse: Mathilde.
This relationship is given by Cokayne (p. 100) and by Tanner.
Spouse: Laure de Saint-Valéry.
This relationship is given by Cokayne (p. 100).
Spouse: Béatrix de Saint-Pol.
This relationship is given by Cokayne (p. 97), by Nieus and by Tanner.
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project. Most information below comes from Cawley.)
Adela married Thomas de Saint-Valéry.
Guillaume (II) “Talvas”, count of Ponthieu.
Marguerite married Enguerrand de Picquigny, vidame of Amiens.
Evidence
Evidence for Jean's relationships;
In an act from 1177, Jean mentions "...mater mea Ida, comitissa, et Guido, frater meus, et Beatrix, uxor mea, comitissa..." and a bit later "...Guido, comes, pater noster...".
References
Brunel, Clovis. Recueil des actes des comtes de Pontieu (1026-1279), (Paris, 1930).
Cartulaire du comté de Ponthieu (M. Ernest Prarond) (Abbeville, 1897).
Cokayne, G.E., and G.W. Watson. The Seize Quartiers of the Kings and Queens of England. (1896).
Nieus, Jean-François. Un pouvoir comtal entre Flandre et France: Saint Pol, 1000 - 1300 (De Boeck & Larcier s.a., 2005; Brussels).
Tanner, Heather J. Families, Friends, and Allies: Boulogne and Politics in Northern France and England c. 879 - 1160. (Brill: 2004).