(i) Most Hon. Hugh Lupus, Marquess of Westminster.
(ii) Samuel Williamson of Holywell, co. Flint, gent, Edward Henry Williamson of Greenfield, co. Flint, esq., and Octavius John Williamson of Lincolns Inn, co. Middlesex, esq.
Mines of lead ore in land in Halkyn and Holywell containing 151 acres 0 roods 29 perches (map endorsed).
Term: 21 years.
Royalty: 20s. per ton of lead ore.
Endorsed: 'Parry's Mine'.