Rhiengar verch Lluddoca ap Caradoc Vreichfras
- Marriage (1): Ynyr ap Cadforch Lord of Maelors, Oswestry and Whittington
From A Genealogical and Heraldic Dictionary of the Landed Gentry of Great Britain & Ireland" by John Burke & John Bernard Burke, vol. I (London, 1847), p. 655 "YNYR AP CADFORCH, Lord of both Maelors, Oswestry, and Whittington in Powys, one of the Barons of that Kingdom, m. Rhiengar, dau. and sole heir of Lluddoca ap Caradoc Vreichfras, Lord of Hereford, in South Wales, and was by her father of a son, TUDOR TREVOR,..."
Rhiengar married Ynyr ap Cadforch Lord of Maelors, Oswestry and Whittington.