(i) Sir Richard Grosvenor of Eaton, co. Chester, baronet.
(ii) Daniel Porter of Wrexham, co. Denbigh, innholder.
Mines of lead ore in six meers of ground on the north side of Brynblwog westwards of Pant y Reddin between Halkin [Halkyn] and Brinford [Brynford] Mountains (map attached, showing shafts sunk by Mr. Porter, old workings, and a way from Pentre Halkin towards Llwyn-y-Cwsyn).
Term: 21 years.
Royalty: 30s. per ton of lead ore, boose and smythom.