Grono ap Ednyfed Vychan Lord of Tref-Gastell, in Anglesea

  Research Notes:

Source: A Genealogical and Heraldic Dictionary of the Landed Gentry of Great Britain & Ireland" by John Burke & John Bernard Burke, vol. I, London, 1847, p. 737 has "Grono ap Ednyfed Vychan, Lord of Tref-Gastell, in Anglesea, Chief Counsellor of Llewelyn ap Griffith, Prince of North Wales, who m. Morfydd, dau of Meuric ap Ithel, Lord of Gwent, and had, with junior issue, Tudor ap Grono, of Penmynedd, who built the Priory of Bangor, and did homage for his lands to EDWARD I. at Chester. By Angharad, his wife, dau. of Itel Vychan, of Englefield, in Flint, he left at his decease, in 1311, an only son, Grono ap Tudor, Captain of twenty archers in Aquitaine, 43 EDWARD III..."