Title deeds of lands acquired through 'tir prid' conveyances, purchase, leasehold and exchange by the successive owners of the Clenennau estate, lying in Caernarfonshire, mainly in Penyfed and Pennant, Dolbenmaen, Penmorfa and the surrounding parishes, 1427-1732, and in Merionethshire, around Llanfihangel-y-Traethau, Harlech and Llanfrothen, 1454-1833. Several of the deeds refer to crown lands, which were much disputed and subject to investigation by government officials. Some of the Merionethshire deeds are accompanied by or endorsed with nineteenth century notes