A collection of 4441 items consisting of title deeds, documents and papers relating to the Wynne family of Garthewin. They are grouped as follows; family papers, including marriage settlements and wills, 1610-1837; title deeds and documents relating to properties in Abergele, Acton, Betws Abergele, Bodrychwyn, Borras, Brymbo, Denbigh, Dutton Diffeth, Erbistock, Eyton, Gresford, Gwytherin, Llanarmon-yn-Ial, Llanddulas, Llaneilian, Llangernyw, Llannefydd, Llanrhaiadr-yng-Nghinmeirch, Stansty, Sutton (Holt), Llysfaen, Marchwiail and Wrexham, co. Denbigh, 1536-1839; the Llannerch Fawr, Rhosgyll and other estates in Aber-erch, Abercain, Bodfean, Botwnnog, Cricieth, Deneio, Elernion, Glasfryn, Llanengan, Llangian, Llannor, Llecheiddior, Llithfaen, Madryn, Pencoed, Penmaen Beuno, Pennant, Penyfed, Pwllheli, Rhwng Dwyfor a Dwyfach and Treflys, co. Caernarvon and in Harlech, Llanfair, Llanenddwyn, Penrhyndeudraeth and Trawsfynydd, co. Merioneth, 1426-1819; lands in Worthenbury, co. Flint and in Sweeney, Tilley and Wem, co. Salop; papers relating to ecclesiastical matters, including the promotions of Dr. Robert Wynne, leases of prebendal profits (Llanfair Talhaearn, Llanefydd and Tiryrabad and Meifod), controversies regarding tithes and church pews, 1583-1766; papers in actions in Chancery and the Exchequer involving members of the Wynne family, 1641-1757; legal papers of Richard Wynne, attorney, brother of Chancellor Robert Wynne, including those accumulated during his tenure of office as clerk to the protonotary of the Great Sessions of Glamorgan, Brecknock and Radnor, 1681-1720; miscellanea, including a view of frankpledge held before Robert Dudley, Earl of Leicester and Baron of Denbigh and his steward, Sir John Salusbury of Llewenni, 1580-1; orders of the Denbighshire quarter sessions relating to Llanrwst bridge, 1681 and 1703 and assessments on various Denbighshire townships towards the repair of highways, 1723.
The Garthewin Additional papers are grouped as, estate papers, including deeds and documents and administration papers; family papers, which include deeds and documents, personalia, correspondence, and papers belonging to specific individuals, those being, Robert Oliver Francis Wynne, Frances Anna [Nanette] Wynne, Anita Kathleen Mary [Nina] Wynne, Menna Wynne, Gwyneth [Lowri] Wynne; and papers of the Crowe family.