His son, the third Baron, represented Oswestry in the House of Commons as a Conservative and served as Lord Lieutenant of County Leitrim and of Merionethshire.
She was born at Talsarnau in Merionethshire, the daughter of a miller, and had a basic school education.
In 1925, he married Elizabeth, daughter of the late Robert Jones-Griffith, of Dolgellau in Merionethshire.
Frongoch internment camp at Frongoch in Merionethshire, Wales was a makeshift place of imprisonment during the First World War.
Roberts was born the eldest son of Daniel Roberts from Llanddeilionen, near Bangor, a Caernarfonshire tenant farmer on the Vaynol estate and Anne Jones of Plas Gwanas, Merionethshire.
Madog was the son of Llywelyn ap Maredudd, the last vassal Lord of Meirionydd who had been deprived of his patrimony in 1256 for opposing Llywelyn ap Gruffudd the Prince of Wales at the Battle of Bryn Derwin.
The diocese covers an area of 8,361 km² of the ancient counties of Anglesey, Caernarfonshire, Denbighshire, Flintshire, Merionethshire and Montgomeryshire (the local government areas of Conwy, Anglesey, Denbighshire and Flintshire, Gwynedd, Wrexham and the former Montgomeryshire).
He was the eldest son of Sir Robert Howell Vaughan, 1st Baronet, of Hengwrt, Merionethshire and educated at Jesus College, Oxford (1787).
He was one of the sons of Ithel Hael and he accompanied St Cadvan from Armorica to Wales He was a member of the college of Bardsey and he founded the church of Llandanwg in Ardudwy Merionethshire in which parish is situated the town of Harlech.