Gwervyl verch David ab Rhys Lloyd of Gydros
- Marriage (1): Edward Pryse of Trev Brysg
Source: The History of the Princes, the Lords Marcher, and the Ancient Nobility of Powys Fadog, Vol. 6, by J. Y. W. Lloyd, London, 1887, p. 124:
"Gwervyl, d. and heiress of David ab Rhys Lloyd of Gydros, ab Gruffydd ab Einion ab Rhys ab David of Garth Garmon ab Rhys Vychan ab Rhys of Garth Garmon ab Ednyved Vychan. Gules, a chevron ermine, inter. Three Englishmen's heads couped ppr."
Gwervyl married Edward Pryse of Trev Brysg, son of Rhys ab David of Trev Brysg and Elen verch David ab Howel ab Gruffydd.