Deed of mortgage by Piers Griffith of Penrhyn to Henry Pierce [Piers] of Dublin upon the messuages of Tyddyn Llwydyn (tenure of John Moythey, John Martin, vicar of Bangor, and their partners at £10 a year), Tyddyn Nant Wreiddiog, Tyddyn Griffith Vaughan and Tyddyn Roger David ap John, lying in Tregwyryddion and Cororion Consideration : £160 Conditions of redemption, payment to H.P. of £208 on 14 August 1619 at the parish church of Nannerch, co. Flint 5 August 1616