John I, Count of Ponthieu

John I of Ponthieu (c. 1140 – 1191) was the son of Guy II of Ponthieu and Ida.^[1] He succeeded his father as Count of Ponthieu in 1147.^[2]

John I, Count of Ponthieu
Born	c. 1140
Died	1191
Noble family	House of Bellême
Spouse(s)	Beatrice of Saint-Pol
Father	Guy II of Ponthieu
Mother	Ida

War with Normandy

John attacked Normandy in 1166 and 1168,^[3] in response to King Henry II of England's confiscation of the castles at Alençon, La Roche-Mabile and the Alenconnais.^[4] Henry, angry with John's rebellion, led his army on a path of destruction across Vimeu, the south-west part of Ponthieu.^[5]

Family

John married Beatrice of Saint-Pol,^[1] they had:

• William IV Talvas^[6]
• Margaret, married a Picquigny^[6]