Gwrgeneu ap Gwaeddgar

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #14 Mam Tudor Trefor; http://www.ancientwalesstudies.org/id182.html. (Steven Ferry, September 20, 2019.)

Please see Darrell Wolcott: Eunydd Son of Gwenllian; http://www.ancientwalesstudies.org/id51.html. (Steven Ferry, August 1, 2020.)

Please see Darrell Wolcott: The Clan of Tudor Trevor; http://www.ancientwalesstudies.org/id55.html. (Steven Ferry, May 6, 2022.)