(i) Most Hon. Hugh Lupus, Marquess of Westminster.
(ii) Rev. David Jones of Brynford Rectory, co. Flint, clerk.
Mines of lead ore in lands in Ysceifiog, co. Flint, containing 224 acres 1 rood 24 perches (map endorsed, showing shafts) (bounds given).
Term: 21 years.
Royalty: £1 per ton of lead ore.
Endorsed: 'Thorntree & Silver Rake'.