Accounts of Lady Margaret Owen, 1685-1712, including sums for building work and repairs to Ystumcegid, 1699, 1707, Glyn, 1699, 1707, Clenennau, 1707-1709, Clenennau walk mill and Glyn corn mill, 1699; fulling work and repairs to the mill at Ystumcegid, 1699, 1704-1706; rents of Clennenau and Ystumcegid due from the executrices of Anne Jones of Clenennau, 1705; caretaking at Glyn, 1707, 1710; and slating at Treflys church, 1710.

Bills and receipts of William Owen, 1738-1749, mainly for building materials and repairs to houses, outbuildings and mills at Clenennau, Glyn, Ystumcegid, Sylfaen, Harlech and Singrig, and for repairs to Treflys church, 1745.