Cristin verch Gronwy

See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/4701/Edwin%2... (November 5, 2018; 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: Hywel ap Maredudd ap Bleddyn; http://www.ancientwalesstudies.org/id295.html.
NOTE: Bartrum charts 2 "sisters" named Crisitn ferch Gronwy. Wolcott considers them the same person. Married first to Hywel ap Maredudd, and then to Owain Gwynedd shortly after the death of Hywel in 1142 .(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.)