Diocese of St Davids (Pembrokeshire, Wales). Grant of Probate for the estate of John John dated 30 September 1839 with annexed will for John John dated 1 April; digital image provided by the National Library of Wales (https://https://viewer.library.wales/207193#?c=0&m=0&s=0&cv=0&xywh=-381%2C-150%2C2878%2C2985 : 15 February 2018).