~1125, Owain born in Wales, s/o §§Gruffudd ap Maredudd (b.~1100).
1128, Owain’s father died.
1132, Owain’s paternal grandfather died, his uncle Madog ap Maredudd succeeding.
~1140, Gwenlian born in Wales, d/o 79958920. Owain Gwynedd ap Gruffydd & 79958921. Gwladys verch Llywarch. (S) History of Wales, Caradoc of Llancarvan, 1832, Translated by Powell, P177.
1149, Madog ap Maredudd gave Cyfeiliog to his nephews Owain Cyfeiliog and Meurig. [Near the end of the year.] Owain’s share of his inheritiance formed the principality of southern Powys, later called Powys Wenwynwyn.
1153, Owain attacked by Rhys ap Gruffydd, s/o Gwenllian, d/o King Gruffydd ap Cynan (159917840).
1156, Owain freed his brother Meurig ab Gruffydd who was being held captive at Maelor. [Owain either wrote, or had written by the court poet, “The Drinking Horn of Owain”, the story of this raid.]
7/17/1157, At the Council of Northampton, King Henry decided to invade Wales against Owain.
7/1157, King Henry II invaded Gwynedd; where his was nearly killed by the forces of Owain at the Battle of Ewloe. Eustace fitz John, constable of Chester, and Robert de Courcy were slain.
~1158, Owain married Gwenlian.
1160, On the death of Madog ap Maredudd, Owain, holding Cyfeiliog, became the ruler of most of southern Powys.
1162, Howel ab Leuaf of Arwystli invaded the cantref of Cyfeiliog and captured Tafalwern castle.
1162, Owain invaded Arwystli, defeated Hywel, and rebuilt Talfolwern Castle. (S) Domen Fawr, Tafolwern.
1163, Owain joined with Owain Fychan [his cousin, s/o Madog ap Maredudd] to capture and destroy the royal castle of Carreghofa.
1165, Owain allied with other Welsh princes under Owain Gwynedd against the expedition into Wales by the English in the Berwyn area.
Owain married 2nd a d/o Rhys ap Gruffydd.
1166, Owain joined with Owain Fychan to drive Iorwerth Coch from Mochnant, which they divided between them.
1167, Owain was again a supporter of English rule.
1167, Owain attacked by Owain Gwynedd and Rhys ap Gruffydd who seized the commote of Caereinion [which Owain soon regained with the help of the English.]
1170, Owain established the Cistercian monastery of Strata Marcella. (S) Sheriffs of Montomeryshire, Lloyd, 1876, P362.
1173, Owain supported English activities in the area. [Rebellion was widespread because of the rebellion of the sons of King Henry.]
1177, Owain attended King Henry of England’s council at Oxford.
1188, Owain excommunicated for failing to support the 3rd crusade. [Owain refused to help Baldwin, archbishop of Canterbury, in his recruiting in Wales.]
1195, Owan gave up rule to his son Gwenwynwyn and retired to the abbey of Strata Marcella.
1197, Owain-Cyfeiliog ap Gruffydd, Prince of Powys died; buried at Strata Marcella.
(S) Medieval Wales, Walker, 1990, P91. (S) History of Wales, V2, Lloyd, 1912. (S) Dictionary of Welsh Biography. (S) The Brief life of Gruffud ap Maredudd, Wolcott, Ancient Wales Studies.
§§Gruffudd ap Maredudd, s/o §§King Maredudd ap Bleddyn (d.1132) & Queen Hunydd verch Eunydd. §§Maredudd s/o §§King Bledyn ap Cynfyn (d.1075). Hunydd d/o Eunydd ap Morien of Dyffryn Clwyd. [Eunydd a 2nd cousin of Maredudd.]
1111, §§Maredudd ap Bleddyn’s older brothers Cadwgan and Iorwerth slain. A nephew, Owain ap Cadwgan chosen as the new King [Maredudd considered too old.]
1116, Maredudd became King when Owain was slain. [Maredudd the last male heir of Bleddyn.]
1121, King Maredudd made a peace treaty with King Henry I of England, who had invaded Wales.
1124, Ithel ap Rhiryd ap Bleddyn, who had been released from prison by King Henry, claimed lands in Wales controlled by Maredudd.
1125, §§Gruffudd ap Maredudd slew Ithel ap Rhiryd in the presence of his [Gruffudd's] father.
1128, Gruffudd died.
Child of Qwain and Gwenlian:
i. Gwenwynwyn ap Owain-Cyfeiliog (121697000), born ~1160 in Wales.