(i) Rt. Hon. Richard, Lord Grosvenor, Baron Grosvenor of Eaton, co. Chester.
(ii) Sir Roger Mostyn of Mostyn, co. Flint, baronet.
Mines of lead ore and calamine at Pen Ford Whitford in the township of Mertyn uch Llan, parish of Whitford, containing four mears and a half in length and one mear in breadth (map attached).
Term: 21 years.
Royalty: 25s. per ton of lead ore, boose and smythom, and 20s. per ton of calamine.