Rheingar verch Lluddoccaf

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

Please see Darrell Wolcott: The Enigmatic Elystan Glodrydd; http://www.ancientwalesstudies.org/id199.html. (Steven Ferry, August 11, 2020.)

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