Gwyn ap Collwyn

See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/6516/TABLES%... (May 31, 2018; Anne Brannen, curator)

See Darrell Wolcott, "Trahaearn ap Caradog," http://www.ancientwalesstudies.org/id68.html -- for help in untangling these lines (May 26, 2016; Anne Brannen, curator).

Please see Darrell Wolcott: Ancient Powys; http://www.ancientwalesstudies.org/id79.html. (Steven Ferry, October 8, 2019.)

Please see Darrell Wolcott: The Shropshire Walcot Family - Chart IV: Arwystli Dynasty; http://www.ancientwalesstudies.org/id95.html. (Steven Ferry, May 23, 2020.)

Please see Darrell Wolcott: The Battle of Mynydd Carn; http://www.ancientwalesstudies.org/id35.html. (Steven Ferry, May 26, 2020.)

Please see Darrell Wolcott: Edwin of Tegeingl and His Family - Uchdryd ap Edwin - the Younger Son; http://www.ancientwalesstudies.org/id86.html. (Steven Ferry, June 11, 2020.)

Please see Darrell Wolcott: Trahaearn ap Caradog of Arwystli; http://www.ancientwalesstudies.org/id68.html. (Steven Ferry, July 7, 2020.)

Please see Darrell Wolcott: Maredudd ap Robert, Lord of Cedewain; http://www.ancientwalesstudies.org/id67.html. (Steven Ferry, July 12, 2020.)

Please see Darrell Wolcott: Cadwgan of Nannau; http://www.ancientwalesstudies.org/id66.html. (Steven Ferry, July 16, 2020.)

Please see Darrell Wolcott: The Consorts and Children of Gruffudd ap Llewelyn; http://www.ancientwalesstudies.org/id210.html. (Steven Ferry, July 22, 2020.)

Please see Darrell Wolcott: The Enigmatic Elystan Glodrydd; http://www.ancientwalesstudies.org/id199.html. (Steven Ferry, August 11, 2020.)

Please see Darrell Wolcott: Owain ap Cadwgan and Nest ferch Rhys-an Historic Fiction?; http://www.ancientwalesstudies.org/id160.html. (Steven Ferry, August 14, 2020)

Please see Darrell Wolcott: The Men of Pennant Melangell in Mochnant; http://www.ancientwalesstudies.org/id289.html. (Steven Ferry, February 8, 2022.)

Please see Darrell Wolcott: The Clan of Tudor Trevor; http://www.ancientwalesstudies.org/id55.html. (Steven Ferry, May 5, 2022.)

Please see Darrell Wolcott: Cynwrig ap Rhiwallon; http://www.ancientwalesstudies.org/id293.html (Steven Ferry, May 8, 2022.)