(i) Sir Robert Grosvenor of Eaton, co. Chester, baronet (brother and devisee of the real estate of Sir Richard Grosvenor, late of Eaton, baronet, deceased).
(ii) John Lloyd of Caerwys, co. Flint, gent., and William Vaughan of Nerquis, co. Flint, gent.
Mines of lead ore in the length of eight meers and breadth of two meers on the mountain or waste ground in the township of Kefn, parish of Kilken, co. Flint, at a place called Kefn Kilken [Cefn Cilcain] (map attached).
Term: 21 years.
Royalty: 25s. per ton of lead ore, boose and smythom.