and the planned attack disintegrated, leaving Henry to return to Normandy, where he was declared duke by his father. Although still young, Henry was increasingly gaining a reputation as an energetic and capable leader. His prestige and power increased further when he unexpectedly married the attractive Eleanor, Duchess of Aquitaine, the recently divorced wife of Louis VII, in 1152. The marriage made Henry the future ruler of a huge swathe of territory across France. In the final years of the war, Stephen began to focus on the issue of his family and the succession. He wanted to confirm his eldest son, Eustace, as his successor, although chroniclers recorded that Eustace was infamous for levying heavy taxes and extorting money from those on his lands. Stephen's second son, William, was married to the extremely wealthy heiress Isabel de Warenne, Countess of Surrey. In 1148, Stephen built the Cluniac Faversham Abbey as a resting place for his family. Both Stephen's wife, Matilda, and his brother Theobald died in 1152. Argument with the church (1145–1152) Stephen's relationship with the church deteriorated badly towards the end of his reign. The reforming movement within the church, which advocated greater autonomy from royal authority for the clergy, had continued to grow, while new voices such as the Cistercians had gained additional prestige within the monastic orders, eclipsing older orders such as the Cluniacs. Stephen's dispute with the church had its origins in 1140, when Archbishop Thurstan of York died. An argument then broke out between a group of reformers based in York and backed by Bernard of Clairvaux, the head of the Cistercian order, who preferred William of Rievaulx as the new archbishop, and Stephen and his brother Henry, who preferred various Blois family relatives. The row between Henry and Bernard grew increasingly personal, and Henry used his authority as legate to appoint his nephew William of York to the post in 1141 only to find that, when Pope Innocent II died in 1143, Bernard was able to get the appointment rejected by Rome. Bernard then convinced Pope Eugene III to overturn Henry's decision altogether in 1147, deposing William, and appointing Henry Murdac as archbishop instead. Stephen was furious over what he saw as potentially precedent-setting papal interference in his royal authority, and initially refused to allow Murdac into England. When Theobald, the Archbishop of Canterbury, went to consult with the Pope on the matter against