Shortly after Henry II had succeeded to the English throne, Richard of Anstey commenced litigation against his cousin, Mabel de Francheville. His uncle, William de Sackville, had held a sizeable mesne barony, consisting of at least seven Essex manors and the overlordship of ten knights' fees in Essex and three neighbouring counties. Richard's aim was to secure this property for himself. Mabel claimed that (as William's daughter and heiress) she was rightfully in possession. Richard asserted that she was illegitimate, the issue of a marriage that had been annulled by the Church; and that as Williams's nephew, the eldest son of William's sister, the lands should pass to him, as William's heir. The litigation began in 1158 in the king's court; but once the question of Mabel's status had been raised it was transferred to the Church courts. Her legitimacy was discussed in turn in the court of the archbishop of Canterbury, before papal judges delegate, and finally before the papal court of audience in Rome. The eventual decision was that Mabel was illegitimate. The case then returned to the king's court, and, some five years after the proceedings had begun, the king's court awarded William de Sackville's lands to Richard of Anstey.