Inspeximus of a charter of 1201 of Wenunwen ap Owin, to the monks of Stradmarchell, recording a gift in frank almoin of Wenunwen all the pasturage-rights in the whole of the province called Keveilliauc [Cyfeiliog, co. Montgomery], within specified boundaries.
The boundaries reach from Bon Main Melin to Lluin Ecrois, as far as Blain Nanhanauc, to Abernant Karthbrandu and along the length of this stream to Carnethwyn, and thence to Gobleithen and from there to Blain Nant Teyling to its mouth, and thence the Bacho to Aber Dengum, along the Dengum to its source, and thence to Keilleg’, thence to the Reidiaul, along the Reidiaul to Gwrhet Kei, and thence the Reidiaul again to Aber Camdwr Keveiliauc, and from the latter to its source, thence to Blain Eynniaun, along the Eynniaun to its mouth, and thence along the Deui to Aber Dulas, and along the Dwlas to its source, and thence to Kenghulf, and thence to Blain Lloido, and along the Lloido to its mouth, and thence the Deui to Aber Llewenith, and along the Llewenith to its source, thence directly to Red Pebellua on the Clawedauc, and thence along the Clawedauc to the Gwernach, and along the Gwernach to its source, and thence as the higher hill leads to Red Derwen and thus along the Derwen to Euernoe, and thence Nant er Heyre to Lledwern, and from Blain Lledwern directly to Bon Main Melin. The gift is subject to no secular or ecclesiastical restrictions other than right of pasture which Wenunwen has granted, with the consent of the monks of Stradmarchell, to the monks of Cumhyr between the Corf and the Eynniaun, and to the monks of Kemmer at Lloidarth and Cumketlli on the other side of the river. Witnessed by Sulian the archdeacon, Master Heilin, Master Mabin, Eynniann ap Rod’i, Kadug’ ap G’fri, David Goch, Edenewein Flam, Goronoy ap Eynniann. Inspeximus dated at Gorhambury.