Guy II, Count of Ponthieu (b. c. 1120)
Guy II of Ponthieu (c. 1120–25 December 1147) was the son of William III of Ponthieu and Helie of Burgundy.

1147Dec, 25
Guy II of Ponthieu
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Events on 1147
- 25Oct
Battle of Dorylaeum (1147)
Seljuk Turks defeat German crusaders under Conrad III at the Battle of Dorylaeum.