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 I of England with William against Robert. Henry was present when William died in a hunting accident in 1100, and he seized the English throne, promising at his coronation to correct many of William's less popular policies. Henry married Matilda of Scotland but continued to have a large number of mistresses by whom he had many illegitimate children. Robert, who invaded in 1101, disputed Henry's control of England; this military campaign ended in a negotiated settlement that confirmed Henry as king. The peace was short-lived, and Henry invaded the Duchy of Normandy in 1105 and 1106, finally defeating Robert at the Battle of