Blois | count of Blois | Odo the Great | Henry of Blois | Odo II of Champlitte | Odo II, Count of Blois | Odo, Earl of Kent | Stephen, Count of Blois | Peter of Blois | Odo of Cluny | Odo I, Margrave of the Saxon Ostmark | Odo I, Count of Blois | Odo I | Odo | Treaty of Blois (1509) | Odo II | Blois baronets |
The Battle of Pontlevoy was fought on 6 July 1016 between the forces of Fulk III of Anjou and Herbert I of Maine on one side and Odo II of Blois on the other.
Bertha of Blois, the daughter of Odo II of Blois, became Duchess Consort of Brittany through her marriage to Alan II, Duke of Brittany.
In turn for his support in the conflict with Count Odo II of Blois he received the northern Maurienne part of the County of Vienne, then a fief of the Vienne archbishops, as well as territories in the Chablais region and in the Tarentaise Valley, a fief of the Tarentaise archbishops at Moûtiers.
When the House of Bar, which ruled in Upper Lorraine, became extinct in 1033, with the death of his cousin Frederick III, Conrad made him duke of both duchies, so that he could assist in the defence of the territory against Odo II, count of Blois, Meaux, Chartres, and Troyes (the later Champagne).
The fortifications were attacked and occupied by Odo II of Blois-Champagne in 1032 during the conflict after Rudolph's death.