Indenture by which Lord Keeper John Williams pays, through the intermediaries Ellis Wynn and Richard Owen, an additional £1,000 for Penrhyn and its appurtenances. Piers Griffith is now described as "of London". Two of the sons of Sir John Wynn of Gwydir, Richard and Owen, were in London at the time, and acted as the two first witnesses of the sealing. 1 March 1622/3