[1] He succeeded his father as Count of Ponthieu in 1147.
[2] 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] John married Beatrice of Saint-Pol,[1] they had:
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