Title deeds of lands acquired through purchase, 'tir prid' conveyances and leasehold by the successive owners of the Glyn estate, mainly in Llanaber, Lanbedr, Llandanwg, Llandecwyn, Llanenddwyn Llanfair[-juxta-Harlech] and Llanfihangel-y-traethau in Merionethshire, 1499-1807; the Sylfaen estate, mainly in Llanaber, Merionethshire, and to a lesser extent, Dolbenmaen, Caernarfonshire, 1509-1698, [1811]; and for lands belonging to the Owen family of Ystumcegid and later to the Wynns of Glyn, in the locality of Dolbenmaen, Llanfihangel-y-pennant, Llanystumdwy and Criccieth in Caernarfonshire, 1597-1672. Several of the deeds refer to former crown lands in Merionethshire.