Maelgwn ap Gruffydd

Please see Darrell Wolcott: Gruffudd ap Rhys, the Homeless Prince; http://www.ancientwalesstudies.org/id197.html. (Steven Ferry, September 14, 2020.)

Please see Darrell Wolcott: The Children of Lord Rhys; http://www.ancientwalesstudies.org/id187.html. (Steven Ferry, September 15, 2020.)

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The Great Revolt 1136 See also: Wales and the Normans: 1067–1283

By 1136 an opportunity arose for the Welsh to recover lands lost to the Marcher Lords when Stephen de Blois displaced his cousin, Empress Matilda, from succeeding her father to the English throne the year prior, sparking the Anarchy in England.[4][5] The usurpation and conflict it caused eroded central authority in England.[4] The revolt began in South Wales, as Hywel ap Maredudd, Lord of Brycheiniog (Brecknockshire), gathered his men and marched to the Gower, defeating the Norman and English colonists there at the Battle of Llwchwr.[3][4] Inspired by Hywel of Brycheiniog's success, Gruffydd ap Rhys hastened to meet with Gruffudd ap Cynan of Gwynedd, his father-in-law, to enlist his aid in the revolt.[4]

While her husband was in Gwynedd seeking an alliance with her father against the Normans, Maurice of London and other Normans led raids against Deheubarth's Welsh and Gwenllian was compelled to raise an army for their defence.[4][6][7] In a battle fought near Kidwelly Castle, Gwenllian's army was routed, she was captured in battle and beheaded by the Normans.[4] In the battle her son Morgan was also slain and another son, Maelgwyn captured and executed.

Though defeated, her patriotic revolt inspired others in South Wales to rise.[4] The Welsh of Gwent, led by Iowerth ab Owain (grandson of Caradog ap Gruffydd, Gwent's Welsh ruler displaced by the Norman invasions), ambushed and slew Richard Fitz Gilbert de Clare, the Norman lord who controlled Ceredigion.[4]

When word reached Gwynedd of Gwenllain's death and the revolt in Gwent, Gwenllian's brothers Owain and Cadwaladr invaded Norman controlled Ceredigion, taking Llanfihangel, Aberystwyth, and Llanbadarn.[4]