Please see Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/4701/Edwin%2... (May 25, 2019; Anne Brannen, curator)

See Darrell Wolcott, the Pedigree of Cynddelw Gam, for the untangling of these lines: http://www.ancientwalesstudies.org/id94.html (February 24, 2016; Anne Brannen, curator).

Please see Darrell Wolcott: Pedigree of "Ednowain Bendew II"; http://www.ancientwalesstudies.org/id92.html, [#83] [#85] [#91] (Steven Ferry, November 7, 2017.)

Please see Darrell Wolcott: Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#190] [#210] [#269] [#273] [#274] [#278] (Steven Ferry, December 6, 2017.)

Please see Darrell Wolcott: Edwin of Tegeingl and His Family - Was Owain ap Edwin Really a Traitor; http://www.ancientwalesstudies.org/id87.html, stating that Aldud may have been an adopted son. (Steven Ferry, June 8, 2020.)

Please see Darrell Wolcott: Edwin Tegeingl and His Family - The "Ednowain Bendew II" of Medieval Pedigrees; http://www.ancientwalesstudies.org/id85.html. (Steven Ferry, June 10, 2020.)

Please see Darrell Wolcott: Edwin of Tegeingl and His Family - Aldud ap Owain of Tegeingl; http://www.ancientwalesstudies.org/id83.html. (Steven Ferry, June 18, 2020.)

Please see Darrell Wolcott: The Unknown Cadwgan; http://www.ancientwalesstudies.org/id246.html. (Steven Ferry, November 21, 2020.)

Please see Darrell Wolcott: Rhiryd Flaidd, Lord of Penllyn; http://www.ancientwalesstudies.org/id290.html. (Steven Ferry, February 27, 2022.)