John I, Count of Ponthieu

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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

John I of Ponthieu (c. 1140–1191) was the son of Guy II of Ponthieu and succeeded him as Count of Ponthieu in 1147.[1]

War with Normandy[edit]

John attacked Normandy in 1166 and 1168,[2] in response to King Henry II of England's confiscation of the castles at Alençon, La Roche-Mabile and the Alenconnais.[3] Henry, angry with John's rebellion, led his army on a path of destruction across Vimeu, the south-west part of Ponthieu.[4]


John married Beatrice of Saint-Pol, they had:


  1. ^ Holt 1985, p. 61.
  2. ^ Power 2014, p. 154.
  3. ^ Power 2004, p. 397-398.
  4. ^ Power 2004, p. 398.


  • Holt, James Clarke (1985). Magna Carta and Medieval Government. Hambledon Press. 
  • Power, Daniel (2004). The Norman Frontier in the Twelfth and Early Thirteenth Centuries. Cambridge University Press. 
  • Power, Daniel (2014). "The Preparations of Count John I of Sees for the Third Crusade". In Morton, Nicholas; John, Simon. Crusading and Warfare in the Middle Ages. Ashgate Publishing Limited. 

John I, Count of Ponthieu
Born: c. 1140 Died: 1191
Preceded by
Guy II
Count of Ponthieu
Succeeded by
William IV Talvas