The file comprises a rent roll of the paternal estate of Robert Myddelton of Chirk Castle, who died in 1733, succeeded by his brother, John, and three separate cases involving John Myddelton, 1736-1744: demands by his brother's creditors for payment of debts, a dispute with his sister-in-law, Anne, concerning non-payment of rents and entitlement to lands in Denbighshire and Montgomeryshire, and his own attempt to recover estate profits from the widow and son of his former steward. The cases may have been of interest to John Griffith (2) of Garn who was a trustee of the will of Sir William Myddelton and collected Chirk rents until 1750.