(i) Sir Richard Grosvenor of Eaton, co. Chester, baronet.
(ii) John Parker of Chester, mercer, and Thomas Lloyd of the same, gent.
Mines of lead ore in twenty meers of ground on a rake, vein or old work called Brin Garreg Heer on Halkin Mountain (map attached, showing roads and 'green paths', shafts and old workings).
Term: 21 years.
Royalty: 30s. per ton of lead ore, boose and smythom.