Madog ab Iarddur

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #10 Iarddur ap Cynddelw; http://www.ancientwalesstudies.org/id178.html. (Steven Ferry, September 10, 2019.)

Please see Darrell Wolcott: Dafydd Goch ap Dafydd - His Real Ancestry; http://www.ancientwalesstudies.org/id116.html. (Steven Ferry, August 22, 2020.)

Please see Darrell Wolcott: Hwfa ap Cynddelw, Lord of Llifon: http://www.ancientwalesstudies.org/id322.html (Steven Ferry, January 30, 2024.)

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