Gruffudd ap Maredudd, Lord of Mawddwy

See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/5299/Bleddyn... (May 6, 2017; Anne Brannen, curator)

See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/5055/bleddyn... (December 23, 2016; Anne Brannen, curator)

Please see Darrell Wolcott: Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#213] (Steven Ferry, November 29, 2017.)

Please see Darrell Wolcott: Ancient Powys; http://www.ancientwalesstudies.org/id79.html. (Steven Ferry, October 8, 2019.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - The Children of Gruffudd, Nephew of Iago; http://www.ancientwalesstudies.org/id80.html. (Steven Ferry, December 13, 2019.)

Please see Darrell Wolcott: Edwin of Tegeingl and His Family - Uchdryd ap Edwin - the Younger Son; http://www.ancientwalesstudies.org/id86.html. (Steven Ferry, June 11, 2020.)

Please see Darrell Wolcott: The Brief Life of Gruffudd ap Maredudd; http://www.ancientwalesstudies.org/id81.html. (Steven Ferry, July 25, 2020.)

Please see Darrell Wolcott: Sandde Hardd of Mortyn; http://www.ancientwalesstudies.org/id30.html. (Steven Ferry, August 8, 2020.)

Please see Darrell Wolcott: The Floruit of Einion ap Seisyllt; http://www.ancientwalesstudies.org/id48.html. (Steven Ferry, August 10, 2020.)

Please see Darrell Wolcott: The Other Gwenwynwyn; http://www.ancientwalesstudies.org/id167.html. (Steven Ferry, October 7, 2020.)

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

Please see Darrell Wolcott: Pedigree of Madog ap Idnerth; http://www.ancientwalesstudies.org/id267.html; [#88]. (Steven Ferry, June 16, 2021.)

Please see Darrell Wolcott: The Lineage of Pebid Penllyn; http://www.ancientwalesstudies.org/id288.html. (Steven Ferry, January 7, 2022.)

Please see Darrell Wolcott: Hywel ap Maredudd ap Bleddyn; http://www.ancientwalesstudies.org/id295.html. (Steven Ferry, August 18, 2022.)

Please see Darrell Wolcott: Kingship of Gwynedd - 1170 to 1175: http://www.ancientwalesstudies.org/id301.html (Steven Ferry, September 8, 2022.)

Please see Darrell Wolcott: The Childrn of Owain Gwynedd; http://www.ancientwalesstudies.org/id302.html (Steven Ferry, September 11, 2022.)