Cynwal Cwch ap Ffrwdwr Cychwr, of Dumnonia

See Peter Bartrum, See Peter Bartrum, https://www.geni.com/documents/view?doc_id=6000000173396507821 (February 7, 2023; Anne Brannen, curator)

Please see Darrell Wolcott: The Royal Family of Gwynedd - Maelgwn Gwynedd, The Dragon of Anglesey; http://www.ancientwalesstudies.org/id166.html. (Steven Ferry, November 28, 2019.)

FFRWDWR ap GWRFAWR. (375) Father of Cynwal, the father of Amlawdd Wledig, according to a pedigree recorded by Gutun Owain (ByA §31 in EWGT p.94). A similar name appears in BLD as Freudubur (122) and Freudur (195).