(i) Most Hon. Richard, Marquis of Westminster.
(ii) Leigh Powell of Hawarden, co. Flint, Gilbert Howell of Hawarden, and Lydia Anne Howell of Hawarden.
Mines of lead ore in lands at Mynydd du, parishes of Whitford, Holywell and Ysceifiog, co. Flint, containing 300 acres (map endorsed: shows [Holywell] Race Course and shafts).
Term: 21 years.
Royalty: 20s. per ton of lead ore.
Endorsed: 'Clwt Militia'.