| Sources |
- [S4058] Jacob Youde William Lloyd, The History of the Princes, the Lords Marcher, and the Ancient Nobility of Powys Fadog, and the Ancient Lords of Arwystli, Cedewen, and Meirionydd, Volume 5, (London, UK: T. Richards, 1885).
- [S33] Samuel Rush Meyrick, Heraldic Visitations of Wales and Part of the Marches: Between the Years 1586 and 1613, Under the Authority of Clarencieux and Norroy, Two Kings at Arms, Volume 2, (Llandovery, UK: William Rees, 1846).
- [S31] John Edwards Griffith, Pedigrees of Anglesey and Carnarvonshire Families, with Their Collateral Branches in Denbighshire, Merionethshire, and Other Parts, (Horncastle, UK: W. K. Morton and Sons, 1914).
- [S50] Walter Davies and John Jones, eds., The Poetical Works of Lewis Glyn Cothi, a Celebrated Bard, who Flourished in the Reigns of Henry VI, Edward IV, Richard III and Henry VII, (Oxford, UK: The Cymmrodorion, 1837).
- [S51] Bernard Burke, A Genealogical and Heraldic Dictionary of the Peerage and Baronetage of the British Empire, Twenty-Seventh Edition, (London, UK: Harrison, 1865).
- [S56] John Burke, The Royal Families of England, Scotland, and Wales, with Their Descendants, Sovereigns and Subjects, Volume 2, (London, UK: E. Churton, 1851).
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