Gwenllian verch Rhys ap Griffith

  Research Notes:

Source: S Genealogical and Heraldic Dictionary of the Landed Gentry of Great Britain & Ireland" by John Burke & John Bernard Burke, vol. I, London, 1847, p. 736 has:
"Ednyfed Vychan m. 2ndly, Gwenllian, dau. of Rhys ap Griuffith, Lord of South Wales, Representative of the Soverign Pricese of South Wales,... by whom he had issue, I. Grono ap Ednyfed Vychan, Lord of Tref-Gastell, in Anglesea...II.Griffith ap Ednyfed Vychan, of Henglawdd..."

Gwenllian married Ednyfed Vychan ap Kendrig Lord of Brynffenigl and Krigeth.