Jean I Comte de Ponthieu et de Montreüil

  General Notes:

~Lineage & Ancestry of HRH Prince Charles, Prince of Wales, Vol. I pg. 69
~Europäische Stammtafeln, J.A. Stargardt Verlag, Marburg, Schwennicke, Detlev (Ed.)

  Noted events in his life were:

• Dates & Events. ⁴⁹⁷
Jean was still a minor when his father died in 1147, and it was not until 1153 that he was acknowledged as Count of Ponthieu. Although he married three times, Jean had children only by his third wife. In 1190 he became a crusader and went to the Middle East. On 30 June 1191 he died near Acre.

• Web Reference: Charles Cawley's Medieval Lands, Jean I comté de Ponthieu. ⁴⁹²
Jean [I] de Ponthieu (-Acre 30 Jun 1191).

Robert of Torigny records that Henry II King of England granted "castrum Alenceium et Rocam Mabiriæ" to "Willermus Talavacius comes Sagiensis et filius eius Johannes et iterum Johannes nepos eius filius Guidonis primogeniti sui comitis Pontivi" in 1166. He succeeded his father as Comte de Ponthieu. He married, first, Mathilde, second Laure de Saint-Valéry, and third (before 4 Dec 1170) Beatrix de Saint-Pol, daughter of Anselme "Candavène" Seigneur de Lucheux et de Tarentefirt (later Comte de Saint-Pol).

Jean married Béatrix de Saint-Pol, daughter of Anselme Candavène Comte de St. Pol and Unknown. (Béatrix de Saint-Pol was born about 1160 in Normandy and died after 1204 in Ponthieu, Picardie.)