(i) Rt. Hon. Richard, Lord Grosvenor, Baron Grosvenor of Eaton, co. Chester.
(ii) Trevor Lloyd of Trevor, co. Denbigh, esq., Thomas Lovet of Chirk, co. Denbigh, gent., and Edward Hughes of Pentrefelin, co. Denbigh, tanner.
Mines of lead ore, boose, smythom and calamine in ten meers of ground in length and fifteen in breadth on Yew Tree Rake, parish of Llanverras [Llanferres] (map attached).
Term: 21 years.
Royalty: 30s. per ton of lead ore, boose and smythom, and 20s. per ton of calamine.