Rhys "Gryg" ap Rhys Lord of Ystrad Tywi & Dynevor
- Born: Abt 1150, Dynevor Castle, Llandilo, Carmarthenshire, Wales
- Marriage: Maud de Clare
- Died: 1234, Dynevor , Llandilo, Carmarthenshire, Wales about age 84
- Buried: st. Davd's Cathedral, Pembrokshire, Wales
Noted events in his life were:
• Web Reference: Rhys Gryg from Wikipedia.
• Web Reference: The Children of Lord Rhys.
Rhys Fychan aka Gryg, was first noticed in the Brut in 1195 when he and his brother Maredudd took the castle at Dinefwr. He battled against his nephews, the sons of Gruffudd, for several years...sometimes as an ally of Gwynedd's Llewelyn Fawr and sometimes siding with King John. In 1213, he was placed in the king's prison but released in 1215 after giving his son Rhys Fychan as a hostage. Thereafter, he was called Rhys Gryg and his son later become known as Rhys Mechyll who also named a son Rhys Fychan, usually called Ieuanc.
He married (1) a daughter (c. 1180) of Gilbert de Clare III; (2) Ellyw (c. 1170) ferch Trahaearn ap Gwgan ap Gwgan ap Bleddyn ap Maenyrch; and (3) Gwenllian (c. 1165) ferch Elidyr ap Owain ap Idnerth ap Cadwgan ap Elystan Glodrydd. Rhys Gryg died in 1233.
• Web Reference: Charles Cawley's Medieval Lands, .
The Chronicle of the Princes of Wales records that "Rhys and Maredudd the sons of the lord Rhys subjected the castle of Dinevwr and the castle of Cantrev Bychan" in 1195 [Brut y Tywysogion (Williams), p. 241]. The Chronicle of the Princes of Wales records that "Rhys the Hoarse died at Llandeilo the Great and was buried in Menevia near the grave of his father" in 1233 [Brut y Tywysogion (Williams), p. 323]. The Chronicle of the Princes of Wales records that "Rhys the Hoarse married the daughter of the earl of Clare" in 1219 [Brut y Tywysogion (Williams), p. 305].
Rhys married Maud de Clare, daughter of Richard de Clare Earl of Hertford and Amice of Gloucester. (Maud de Clare was born about 1175 and died in 1213.)