Greddf Tymer ap Llawr

See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/6516/TABLES%... (June 1, 2018; Anne Brannen, curator)

See Darrell Wolcott -- http://www.ancientwalesstudies.org/id138.html -- "Einion ap Celynin" -- for clarification of these lines. (April 26, 2016; Anne Brannen, curator)

Please see Darrell Wolcott: Pedigree of "Ednowain Bendew II"; http://www.ancientwalesstudies.org/id92.html, [#28] as emended 10/27/17. (Steven Ferry, October 29, 2017.)

Please see Darrell Wolcott: The Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#30] [#71] [#241] (Steven Ferry, December 12, 2017.)

Please see Darrell Wolcott: Edwin of Tegeingl and His Family - The Ancestry of Edwin of Tegeingl; http://www.ancientwalesstudies.org/id42.html. (Steven Ferry, June 7, 2020.)

Please see Darrell Wolcott: Hedd Molwynog or Hedd ap Alunog of Llanfair Talhearn; http://www.ancientwalesstudies.org/id61.html. (Steven Ferry, July 4, 2020.)

Please see Darrell Wolcott: Llowdden Hen of Ulwch Aeron; http://www.ancientwalesstudies.org/id262.html. (Steven Ferry, march 20, 2021.)

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #32 - Hedd ap Alunog; http://www.ancientwalesstudies.org/id271.html. (Steven Ferry, June 25, 2021.)