 Earl Walter was set at liberty in 1625 and a large part of his estates restored to him.For some while he lived in a house in Drury Lane, London, with his grandson James, afterwards Duke of Ormonde.In 1629, on the projected marriage of his grandson and Elizabeth Preston, Charles I of England granted her marriage and the wardship of her lands to him by letters patent dated 8 Sept. After the marriage he was recognised, 9 Oct. 1630, as heir to the lands of his uncle, Earl Thomas, as well as of Sir John Butler his father.