(i) Most Hon. Richard, Marquis of Westminster.
(ii) Robert Humphreys of Chester, railway contractor, John Bateman of Mold, co. Flint, watch and clock maker, Robert Jones of Hawarden, co. Flint, road surveyor, William Clemence of Llanarman, co. Denbigh, mine agent, William Williams of Llanarmon, mine agent, and Oliver King of Tryddyn [Treuddyn], co. Flint, colliery agent.
Mines of lead ore in land in Llanarmon containing 172 acres 3 roods 8 perches (map endorsed , showing area around Erryrys village).
Term: 21 years.
Royalty: 20s. per ton of lead ore until the mines shall be drained by steam power, and 15s. subsequently.
Endorsed: 'Brittania. Forfeited'.