| Description | by David ap David ap Grono ap Adda, free tenant of the township of Llanddyfnan, to John ap David ap David ap Grono, free tenant of Heneglwys (Malltraeth), of one tenement called Tyddyn yn ymyl y Gromlech, a parcel of arable land called Pant Adda Ddu, and another parcel called Yr Hen Hafod near Y Gors Ddu in Llanddyfnan |