Maredudd ab Owain

See Darrell Wolcott, Bartrum's "Pedigrees of the Welsh Tribal Patriarchs"' # 4 - Cadwagan Fantach, http://www.ancientwalesstudies.org/id172.html, (Steven Ferry, April 8, 2020.)

Please see Darrell Wolcott: The Welsh Ancestry of the Tudor Dynasty; http://www.ancientwalesstudies.org/id217.html. (Steven Ferry, April 8, 2020.)

Please see Darrell Wolcott: The Ancestry of Owain Glyndwr; http://www.ancientwalesstudies.org/id200.html. (Steven Ferry, September 13, 2020.)

Please see Darrell Wolcott: Llowdden Hen of Ulwch Aeron; http://www.ancientwalesstudies.org/id262.html. (Steven Ferry, March 20, 2021.)

Please see Peter Bartrum: Rhys ap Tewdwr 6; https://www.geni.com/documents/view?doc_id=6000000173393115916 & Rhys ap Tewdwr 4; https://www.geni.com/documents/view?doc_id=6000000173395392851 & Gruffudd ap Cynan 12; https://www.geni.com/documents/view?doc_id=6000000173392980830 (Steven Ferry, November 21, 2024.)