Caradog ap Iestyn

Please see Darrell Wolcott: Trahaearn Goch of Lleyn; http://www.ancientwalesstudies.org/id119.html. (Steven Ferry, August 18, 2020)

Please see Darrell Wolcott: The Conquest of Glamorgan - Further Notes; http://www.ancientwalesstudies.org/id226.html. (Steven Ferry, August 20, 2020.)

Please see Darrell Wolcott: Was Iestyn ap Gwrgan the Founder of One of the 5 Royal Tribes; http://www.ancientwalesstudies.org/id229.html. (Steven Ferry, August 21, 2020.)

Please see Darrell Wolcott: Welshmen Named Maenyrch; http://www.ancientwalesstudies.org/id310.html (Steven Ferry, January 23, 2023.)