Owain ap Dyfnwal, King of Strathclyde

Please see Darrell Wolcott: The Clan of Tudor Trevor; http://www.ancientwalesstudies.org/id55.html. (Steven Ferry, June 5, 2021.)

Please see Darrell Wolcott: Refugees From Strathclyde Come to Gwynedd; http://www.ancientwalesstudies.org/id269.html. (Steven Ferry, June 8, 2021.)

Please see Darrell Wolcott: The Children of Lord Rhys; http://www.ancientwalesstudies.org/id187.html. (Steven Ferry, June 9, 2021.)

Please see Dr. J White-Phillips: Rhun ap Arthgal and His Family; http://www.ancientwalesstudies.org/id274.html. (Steven Ferry, June 26, 2021.)

Please see Dr. J White-Phillips: Who Was 'Greg, King of the Picts'? ; http://www.ancientwalesstudies.org/id275.html. (Steven Ferry, June 27, 2021.)

Please see Darrell Wolcott: The Clan of Tudor Trevor; http://www.ancientwalesstudies.org/id55.html. (Steven Ferry, May 5, 2022.)