Hywel ap Trahaearn, of Llan-gors

NOT the same person as Hywel "Sais" ap Y Arglwyd Rhys.

See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/5266/bleddyn... (August 13, 2017; Anne Brannen, curator)

Please see Darrell Wolcott: Pedigree of Madog ap Idnerth; http://www.ancientwalesstudies.org/id267.html; [#59]. (Steven Ferry, June 12, 2021.)

Please see Darrell Wolcott: Bleddyn ap Maenyrch, King of Brycheiniog; http://www.ancientwalesstudies.org/id313.html (Steven Ferry, March 2, 2023.)

Please see Darrell Wolcott: Family of Drymbenog ap Maenyrch of Brycheiniog; http://www.ancientwalesstudies.org/id312.html (Steven Ferry, May 22, 2023.)

Please see Darrell Wolcott: Gwgan ap Llewelyn ap Moriddig of Brycheiniog; http://www.ancientwalesstudies.org/id315.html (Steven Ferry, June 25, 2023.)

Please see Darrell Wolcott: Ifor Bach, Lord of Senghenydd; http://www.ancientwalesstudies.org/id316.html (Steven Ferry, August 4, 2023.)

Please see Darrell Wolcott: How Bartrum 'Lost' Hywel ap Gruffudd ap Ifor Bach; http://www.ancientwalesstudies.org/id317.html (Steven Ferry, August 9, 2023.)

Please see Darrell Wolcott: Three Conflated Brecknock Families; http://www.ancientwalesstudies.org/id324.html [Fam2: # 3;14. Fam3: # 9;11] (Steven Ferry, October 5, 2024.)

https://books.google.co.uk/books?id=CLVBAAAAcAAJ&pg=PA115&lpg=PA115...