Hywel Farf-fehinog ap Caradog

See Peter Bartrum, https://www.geni.com/documents/view?doc_id=6000000173393240915 (February 4, 2023; Anne Brannen, curator)

See Darrell Wolcott, http://www.ancientwalesstudies.org/id62.html, for the untangling of these lines. (February 2, 2016; Anne Brannen, curator)

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #10 Iarddur ap Cynddelw; http://www.ancientwalesstudies.org/id178.html. (Steven Ferry, September 10, 2019.)

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #12 Braint Hir; http://www.ancientwalesstudies.org/id180.html. (Steven Ferry, September 13, 2019.)

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #17 Caradog Freichfras; http://www.ancientwalesstudies.org/id185.html. (Steven Ferry, September 22, 2019.)

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #22 Collwyn ap Tangno: http://www.ancientwalesstudies.org/id192.html. (Steven Ferry, September 29, 2019.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - Governance of Gwynedd, 754-825; http://www.ancientwalesstudies.org/id17.html. (Steven Ferry, December 1, 2019.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - Pasgen "ap Urien Rheged", Lord of Gower; http://www.ancientwalesstudies.org/id62.html. (Steven Ferry, January 3, 2020.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - Ancient Lordship of Gower; http://www.ancientwalesstudies.org/id162.html. (Steven Ferry, January 18, 2020.)

Please see Darrell Wolcott: Ynyr Gwent and Caradog Freich Fras; http://www.ancientwalesstudies.org/id25.html. (Steven Ferry, February 26, 2020.)

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

Please see Darrell Wolcott: Sorting Out the Gwaithfoeds; http://www.ancientwalesstudies.org/id125.html. (Steven Ferry, September 5, 2020.)

Please see Darrell Wolcott: The Legendary Kingdom of Seisyllwg; http://www.ancientwalesstudies.org/id123.html. (Steven Ferry, September 11, 2020.)

Please see Darrell Wolcott: Harleian Ms 3859; http://www.ancientwalesstudies.org/id129.html. (Steven Ferry, March 9, 2021.)

Please see Darrell Wolcott: "Bartrum's Pedigrees of the Welsh Tribal Patriarchs" - #26 - Geraint of Pentraeth; http://www.ancientwalesstudies.org/id256.html. (Steven Ferry, March 15, 2021.)

Please see Darrell Wolcott: Cynan Dindaethwy - Furter Notes; http://www.ancientwalesstudies.org/id307.html (Steven Ferry, October 21, 2022.)