Generys verch Rhys Sais

See Peter Bartrum, https://www.geni.com/documents/view?doc_id=6000000173392989909 (October 28, 2022; Anne Brannen, curator)

See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/6516/TABLES%... (May 31, 2018; Anne Brannen, curator)

See Darrell Wolcott, "The Pedigree of Cynddelw Gam," http://www.ancientwalesstudies.org/id94.html for untangling and clarification of these lines. (January 16, 2016, Anne Brannen, curator)

Please see Darrell Wolcott: The Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#14] (Steven Ferry, November 11, 2017.)

Please see Darrell Wolcott: The Royal Family of Powys - End of the Powys Dynasty; http://www.ancientwalesstudies.org/id14.html. (Steven Ferry, October 18, 2019.)

Please see Darrell Wolcott: Ithel of Bryn in Powys; http://www.ancientwalesstudies.org/id43.html. (Steve Ferry, June 24, 2020.)