Iorwerth ab Einion

See Peter Bartrum, http://cadair.aber.ac.uk/dspace/bitstream/handle/2160/5158/osbwrn%2... (April 26, 2017; Anne Brannen, curator)

See Peter Bartrum, http://cadair.aber.ac.uk/dspace/bitstream/handle/2160/5548/Osbwrn%2... (April 7, 2017; Anne Brannen, curator)

See Darrell Wolcott, http://www.ancientwalesstudies.org/id92.html -- "The Pedigree of Ednywain Bendew" -- for untangling of these lines. (April 19, 2016, Anne Brannen, curator)

Please see Darrell Wolcott: Pedigree of "Ednowain Bendew II"; http://www.ancientwalesstudies.org/id92.html, [#78] (Steven Ferry, November 4, 2017.)

Please see Darrell Wolcott: The 5 Dafydd Llwyds of Llanwrin Parish; http://www.ancientwalesstudies.org/id254.html. (Steven Ferry, February 12, 2021.)