Llewelyn ap Merfyn

See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/6516/TABLES%... (May 27, 2018; Anne Brannen, curator)

Darrell Wolcott shows that Merfyn ap Rhodri Mawr had no sons other than Triffyn ( he proposes that this man was actually a son-in-law of Rhodri ap Merfyn, Llewelyn ap Pasgen ap Urien known as Llewelyn Llyminiog Angel :

Please see Darrell Wolcott: The Royal Family of Powys - Powys Succession after 823; http://www.ancientwalesstudies.org/id13.html. (Steven Ferry, October 15, 2019.)

Please see Darrell Wolcott: Edwin of Tegeingl and His Family - Was Owain ap Edwin Really a Traitor; http://www.ancientwalesstudies.org/id87.html. (Steven Ferry, June 8, 2020.)

Please see Darrell Wolcott: The Men of Lleyn - How They Got There; http://www.ancientwalesstudies.org/id118.html. (Steven Ferry, August 17, 2020.)

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Llewelyn was excluded from his crown by his uncle Cadell, and his cousin, Hywel Dha, who later married his daughter, Angharad.

From: http://www.robertsewell.ca/powys.html

Courtesy of fantastically full family tree cf.:

Hughes of Gwerclas 1/2/3/4:

http://www.maximiliangenealogy.co.uk/burke1/Royal%20Descents/hughes...

http://www.maximiliangenealogy.co.uk/burke1/Royal%20Descents/hughes...

http://www.maximiliangenealogy.co.uk/burke1/Royal%20Descents/hughes...

http://www.maximiliangenealogy.co.uk/burke1/Royal%20Descents/hughes...