Grant and confirmation (Thursday in the Feast of St Catherine the Virgin,1479) by William ap Llewelyn ap Madoc ap David, free tenant of the township of Trewarth, to Gruffith ap John ap Robyn, of one tenement called Tyddyn in Pen y Bryn and one parcel of land called Koyt y Marl and other lands in Trewarth 25 November 1479