England in the Middle Ages Normandy. Norman rule, however, proved unstable; successions to the throne were contested, leading to violent conflicts between the claimants and their noble supporters. William II inherited the throne but faced revolts attempting to replace him with his older brother Robert or his cousin Stephen of Aumale. In 1100, William II died while hunting. Despite Robert's rival claims, his younger brother Henry I immediately seized power. War broke out, ending in Robert's defeat at Tinchebrai and his subsequent life imprisonment. Robert's son Clito remained free, however, and formed the focus for fresh revolts until his death in 1128. Henry's only legitimate
Henry II, Holy Roman Emperor Yaroslav, the pretender to the throne of the Kievan Rus'. A son of Kievan Grand Duke Vladimir the Great, he was vice-regent of the Principality of Novgorod at the time of his father's death in 1015. Yaroslav's eldest surviving brother, Sviatopolk I of Kiev, killed three of his other brothers and seized power in Kiev. Henry II's support of Yaroslav was in direct opposition to not only Sviatopolk but to Bolesław I as well. Years before, Bolesław I had married one of his daughters to Sviatopolk, making the new Kievan Grand Duke a son-in-law to the Polish Duke. Henry II