Collwyn ap Tangno

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

See Darrell Wolcott, http://www.ancientwalesstudies.org/id92.html -- "The Pedigree of Ednywain Bendew" -- for untangling of these lines. (April 18, 2016, Anne Brannen, curator)

Please see Darrell Wolcott: Pedigree of "Ednowain Bendew II"; http://www.ancientwalesstudies.org/id92.html, [#60] [#62] [#84] (Steven Ferry, November 5, 2017.)

Please see Darrell Wolcott: Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#209] [#275] (Steven Ferry, December 6, 2017.)

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: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #23 Marchweithian; http://www.ancientwalesstudies.org/id193.html. (Steven Ferry, September 29, 2019.)

Please see Darrell Wolcott: The Royal Family of Powys - Powys Succession after 823; http://www.ancientwalesstudies.org/id13.html. (Steven Ferry, October 17, 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 5 Plebian Tribes of Wales; http://www.ancientwalesstudies.org/id201.html. (Steven Ferry, January 27, 2020.)

Please see Darrell Wolcott: The Muddled Pedigrees of Sir John Wynn of Gwydir; http://www.ancientwalesstudies.org/id115.html. (Steven Ferry, March 28, 2020.)

Please see Darrell Wolcott: Cadafael Ynfyd of Cydewain; http://www.ancientwalesstudies.org/id150.html. (Steven Ferry, July 10, 2020.)

Please see Darrell Wolcott: The "Betrayal" by Meirion Goch Revisited; http://www.ancientwalesstudies.org/id90.html. (Steven Ferry, August 15, 2020.)

Please see Darrell Wolcott: Gwyn Ddistain - Seneschal for Llewelyn Fawr; http://www.ancientwalesstudies.org/id120.html. (Steven Ferry, August 17, 2020.)

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

Please see Darrell Wolcott: Trahaearn Goch of Lleyn; http://www.ancientwalesstudies.org/id119.html. (Steven Ferry, August 18, 2020)

Please see Darrell Wolcott: The Conquest of Glamorgan - Einion vs Iestyn ap Gwrgan; http://www.ancientwalesstudies.org/id121.html. (Steven Ferry, August 19, 2020.)

Please see Darrell Wolcott: Osbwrn Wyddel of Cors Gedol; http://www.ancientwalesstudies.org/id203.html. (Steven Ferry, August 30, 2020.)

Please see Darrell Wolcott: Gruffudd ap Rhys, the Homeless Prince; http://www.ancientwalesstudies.org/id197.html. (Steven Ferry, September 14, 2020.)

Please see Darrell Wolcott: Einion ap Celynin of Llwydiarth; http://www.ancientwalesstudies.org/id138.html. (Steven Ferry, October 18, 2020.0

Please see Darrell Wolcott: Gwyn ap Ednowain Bendew; http://www.ancientwalesstudies.org/id244.html. (Steven Ferry, January 2, 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: Who Was Adda ap Iorwerth; http://www.ancientwalesstudies.org/id298.html. (Steven Ferry, August 22, 2022.)

Please see Darrell Wolcott: King Llewelyn ap Iorwerth and Ednyfed Fychan; http://www.ancientwalesstudies.org/id308.html (Steven Ferry, November 25, 2022.)

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

Please see Darrell Wolcott: Marchweithian of Is Aled - Further Notes; http://www.ancientwalesstudies.org/id318.html. (Steven Ferry, September 9, 2023.)

Please see Darrell Wolcott: Hwfa ap Cynddelw, Lord of Llifon: http://www.ancientwalesstudies.org/id322.html (Steven Ferry, January 23, 2024.)