A rental of the estate of Watkin Williams Wynn in the counties of Denbigh, Montgomery, Merioneth, and Caernarvon, 1725, in the collection of John Davies, with accounts of disbursements, 1725-1726.

Rentals mainly for the Shropshire estate of Brogyntyn and the Llanddyn estate in Llangollen, Denbighshire, 1646-1849. They also sporadically include the Owen family's lands in Merionethshire and the Clenennau estate in Caernarfonshire, 1657-1696, 1768-1773. A substantial gap exists in the Brogyntyn (Porkington) and Llanddyn rentals between 1720 and 1762. From 1792 the rentals exist as separate units for each half year and they become more regular in format, to include columns of arrears and land tax payments. At the same date the name of Ellen Owen, Robert Godolphin's remaining unmarried sister, appears as joint owner with that of her brother-in-law, Owen Ormsby. From Michaelmas 1797, the rentals include property in Broniarth and Llandysilio, Montgomeryshire. The purchased estates of Oerley Hall and Drenewydd are included from 1827 and 1832 respectively. Several rentals include accounts of arrears and expenditure on labour and repairs.

Rentals of the Clenennau, Glyn, Sylfaen and Ystumcegid estates, [1535x1572]-1849. They cover Eifionydd [1535x1572] and Clenennau, 1551-1689, combined with Brogyntyn, Llanddyn and lands in Anglesey from 1589 to 1606; Glyn, 1623; Ystumcegid, 1692-1723; and Clenennau, Glyn, Sylfaen and Ystumcegid, 1690-1849. Gest disappears from the rentals by 1678, which is consistent with Sir Robert Owen's loss of the township to William Price of Rhiwlas. Sir Robert married Margaret Wynn in 1683, but Glyn and Sylfaen in Merionethshire do not appear as joint property until 1690. Some of the Clenennau and Glyn properties appear collectively as the Merionethshire estates from 1727. Likewise by 1749 some of the other Caernarfonshire properties are not distinguished separately from Ystumcegid. From 1779 to 1804, the idividual properties are not identified, but the tenants' names are listed under the vague headings of 'Caernarfonshire estate' or the Merionethshire estate'. The purchased property of Dolbenmaen is incorporated from 1742 and part of the Shropshire and Denbighshire estates are included in 1773. Additions in the form of allotments and encroachments are in evidence from 1832. Several of the rentals incorporate accounts of arrears and repairs to property.

Family and estate records of Griffith of Porthamal, Anglesey, and Llanfair, Caernarfonshire, Griffith of Brynodol, Caernarfonshire, and the associated families of Rowlands of Nant, Caernarfonshire, and Wynn of Taltreuddyn, Merionethshire. The estate records include rentals of the Llanfair estate, 1516-1669, the Brynodol estate, 1581-1751, the Cefnamwlch estate, 1630-1717, the Nant estate, 1702-1719, the Taltreuddyn estate, 1744-1848, the Llanfair and Brynodol estate, 1761-1832, and rentals from various other estates, 1615-1816; and deeds of the Porthamal and Llanfair estate, 1435-1673, the Brynodol (and later Llanfair and Brynodol) estate, 1564-1864, and the Taltreuddyn estate, 1664-1751. -- The archive also includes rentals of Crown rents in Anglesey, Caernarfonshire, Denbighshire, Flintshire and Merionethshire, 1558-1798, and ministers' accounts, 1365-1825; Caernarfon borough records, 1545-1783, including rentals of corporation property, lists of burgesses, and notes on the constitution of the borough and the appointment of officers; and a number of literary and historical manuscripts.

A volume containing rentals, 1727-1735, of the estate of William Owen, of Brogyntyn and Clenennau, in the parishes of Ffestiniog, Llanaber, Llandanwg, Llanddwywe, Llandecwyn, Llanfihangel-y-traethau, Llanfor and Llanfrothen, Merionethshire (ff. 1-60 verso), together with disbursements, 1728-1737 (ff. 62-80 inverted text).
A note of repairs to be done at Ystumcegid occurs on f. ii and a veterinary recipe for cattle on f. 8 verso. Tipped into the volume are two lawyers' bills, 1726 (f. 78), and two tradesmen's bills, 1813 (f. 22 verso).

Estate and family papers of Owen and Wynne families of Peniarth, Merionethshire, [15 cent.]-[19 cent.], including groups relating to Mostyn of Nant and Mostyn and Williams of Penbedw, Flintshire, to Maurice of Lloran, Denbighshire, and to Corbet of Ynysmaengwyn, Merionethshire, including estate papers, 1630-1870, rentals and accounts; deeds, 1361/2-1963, mainly for Peniarth, Aberllefenni, Penbedw, Drenewydd and Mallwyd estates; legal papers, 1539-1848; industrial papers, 1615-1852; county administration, 1468-1874; and non-family trust papers, 1468-1878, mainly relating to the Ynysymaengwyn estate.