| Description | Refers to messuages and lands called Penrhos, Trego, Trefignet, Cay'r Allt, and Ynnis Swyddog in the parish of Holyhead; Trevadog Rhos ddu, Beudu Newydd and Goffynys in the parish of Llanfaethlu and mills called Melin Heli, Melin Porth y Pistyll and Melin y Twr. |