(i) Rt. Hon. Robert, Earl Grosvenor, Viscount Belgrave, Baron Grosvenor of Eaton, co. Chester.
(ii) William Matthews of Wrexham, co. Denbigh, salt dealer, Henry Loat of Wrexham, watchmaker, Stephen Radenhurst of Wrexham, glazier, and Meredith Jones of Wrexham, currier.
Mines of lead ore, calamine and black jack in land at Penuchar-plwy, parish of Ysceifiog, containing 14 acres 1 rood 36 perches (map endorsed).
Term: 21 years.
Royalty: 40s. per ton of lead ore, 20s. per ton of calamine, and 10s. per ton of black jack.