Eustace fitz John construction of fortifications at Tickhill and Knaresborough in Yorkshire are also recorded in this pipe roll. This and evidence of royal writs show that Eustace and Walter Espec had justiciar responsibility for the counties of Cumberland, Northumberland, Durham, and Yorkshire, a role that involved hearing pleas and conveying instructions from central government. The death of Henry I on 1 December 1135 led to the accession of Stephen de Blois, to whom Eustace submitted. Stephen's seizure of the throne was contested by Henry I's daughter, the Empress Matilda, who had been Henry's designated heir. The "Gesta Stephani" claimed that certain "very
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