Individual Details

John I, Count of Ponthieu

(1140 - 1191)

According to Wikipedia:

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
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]

Family
John married Beatrice of Saint-Pol, they had:

William IV Talvas
Notes
Holt 1985, p. 61.
Power 2014, p. 154.
Power 2004, p. 397-398.
Power 2004, p. 398.
References
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 (eds.). Crusading and Warfare in the Middle Ages. Ashgate Publishing Limited.



-- MERGED NOTE ------------

According to Wikipedia:

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
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]

Family
John married Beatrice of Saint-Pol, they had:

William IV Talvas
Notes
Holt 1985, p. 61.
Power 2014, p. 154.
Power 2004, p. 397-398.
Power 2004, p. 398.
References
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 (eds.). Crusading and Warfare in the Middle Ages. Ashgate Publishing Limited.

Events

Birth1140
Death1191

Families

SpouseLiving
ChildWilliam IV, Count of Ponthieu (1179 - 1221)
FatherGuy II of Ponthieu (1120 - 1147)
MotherLiving
FatherGuy II of Ponthieu (1120 - 1147)
MotherLiving