Theobald of Bec favour. Recently however, that view has been challenged by two historians who argue that Theobald took a more active role in the council. They base their view on a "Vita", or "Life" of the 12th-century mystic Christina of Markyate, which narrates the events and gives a more central role to Theobald, instead of Henry of Blois, in challenging Stephen's arrest of the three bishops. Theobald's actions in the next few years are intertwined with the history of Stephen's ascension to the throne. Following King Henry I's death in 1135 the succession was disputed between the king's nephews—Stephen and his elder
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