Cynharwy ap Llewelyn

Please see Peter Bartrum:Drymbenog 1; https://www.geni.com/documents/view?doc_id=6000000173388628842 & Drymbenog 7; https://www.geni.com/documents/view?doc_id=6000000173388585844 (Steven Ferry, November 2, 2020.)

Please see Darrell Wolcott: Family of Drymbenog ap Maenyrch of Brycheiniog; http://www.ancientwalesstudies.org/id312.html (Steven Ferry, May 21, 2023.)

Please see Darrell Wolcott: Gwgan ap Llewelyn ap Moriddig of Brycheiniog; http://www.ancientwalesstudies.org/id315.html (Steven Ferry, June 25, 2023.)

Please see Darrell Wolcott: Ifor Bach, Lord of Senghenydd; http://www.ancientwalesstudies.org/id316.html (Steven Ferry, August 4, 2023.)