Eginir ap Collwyn

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