Bledri ap Cydifor Fawr, Baron of Cil y Saint

See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/5585/blegywr... (October 26, 2019; Anne Brannen, curator)

Please see Darrell Wolcott: The Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#51] (Steven Ferry, November 17, 2017.)

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs"' # 4 Cadwgan Fantach; http://www.ancientwalesstudies.org/id172.html. (Steven Ferry, September 7, 2019.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - Einion ap Llywarch of Carmarthenshire; http://www.ancientwalesstudies.org/id163.html. (Steven Ferry, January 21, 2020.)

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

Please see Darrell Wolcott: Einion ap Celynin of Llwydiarth; http://www.ancientwalesstudies.org/id138.html. (Steven Ferry, October 19, 2020.)

Please see Darrell Wolcott: Sir Aaron ap Rhys, Knight of the Sepulchre; http://www.ancientwalesstudies.org/id292.html. (Steven Ferry, March 15, 2022.)

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: Rhydderch Ddu of Tal-y-Llyn; http://www.ancientwalesstudies.org/id314.html (Steven Ferry, April 9, 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: Three Conflated Brecknock Families; http://www.ancientwalesstudies.org/id324.html [Fam2: # 7. Fam3: # 21;22] (Steven Ferry, October 15, 2024.)

Please see Peter Bartrum: Cydifor Fawr 6; https://www.geni.com/documents/view?doc_id=6000000173377954152 & Cydrych 1; https://www.geni.com/documents/view?doc_id=6000000173378036053 (Steven Ferry, November 29, 2024.)