Alan IV, Duke of Brittany of William the Bastard, Duke of Normandy (later to become known as William the Conqueror) support of rebels in Brittany against Alan's maternal uncle, Conan II. Conan II died in late 1066 during a campaign in Anjou, and was succeeded by Alan's parents, Conan's sister Hawise and her husband Hoel II. Hoel ruled as regent from Hawise's death in 1072 until Alan reached his majority in 1084. To prevent further hostilities during his invasion of England, William I married his daughter Constance to the new duke Alan in 1087. The marriage ceremonies may have taken place in Bayeux in Normandy.
Jaromír, Duke of Bohemia assassinated by one of the Vršovci clan. Jaromír, Duke of Bohemia Jaromír (died 4 November 1035), a member of the Přemyslid dynasty, was Duke of Bohemia, in 1003, from 1004 to 1012, and again from 1034 to 1035. He was the second son of Duke Boleslaus II the Pious (d. 999). His mother may have been either one of his father's two wives: Adiva or Emma of Mělník. In 1002, Jaromír rebelled against the rule of his elder brother Boleslaus III, who had him castrated and expelled with his mother and his brother Oldřich to the Bavarian court at Regensburg.