Tewdrig ap Teithfal

See Peter Bartum, https://www.geni.com/documents/view?doc_id=6000000173393115923 (February 8, 2023; Anne Brannen, curator)

Please see Darrell Wolcott: The Father of Tewdrig of Gwent; http://www.ancientwalesstudies.org/id27.html. (Steven Ferry, February 22, 2020.)

Please see Darrell Wolcott: Another Look at Teithfallt of Gwent; http://www.ancientwalesstudies.org/id168.html. (Steven Ferry, February 25, 2020.)

Please see Darrell Wolcott: The Lands Called Garthmadryn; http://www.ancientwalesstudies.org/id265.html. (Steven Ferry, may 4, 2021.)