(i) Sir Richard Grosvenor of Eaton, co. Chester, baronet.
(ii) Henry Steeple of Hollway, parish of Holywell, co. Flint, gent.
Mines of lead ore and calamy in a piece of the road from Holywell to Newmarket, in the township of Mertin Uch Llan, parish of Whitford, co. Flint, containing ten mears in length and twenty-six yards in breadth (map attached).
Term: 21 years.
Royalty: 25s. per ton of lead ore, boose and smythom, and 20s. per ton of calamy.