Gwenllian verch Gruffydd

Please see Darrell Wolcott: The Royal Family of Gwynedd - The Unofficial "History" of Gruffudd, Nephew of Iago; http://www.ancientwalesstudies.org/id74.html. (Steven Ferry, March 30, 2017.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - The Children of Gruffudd, Nephew of Iago; http://www.ancientwalesstudies.org/id80.html, for a detailed look at the trees for BOTH Gruffudd(s) ap Cynan. "Gwenllian ferch Gruffudd ap Cynan" who married Cadwgan ap Bleddyn was born c. 1070 and was a daughter of Gruffudd ap Cynan ap Idwal. NOT a daughter of Gruffudd ap Cynan ap Iago. (Steven Ferry, March 30, 2017.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - The Unofficial "History" of Gruffudd, Nephew of Iago; http://www.ancientwalesstudies.org/id74.html. (Steven Ferry, March 30, 2017.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - The Children of Gruffudd, Nephew of Iago; http://www.ancientwalesstudies.org/id80.html, for a detailed look at the trees for BOTH Gruffudd(s) ap Cynan(Steven Ferry, March 30, 2017.)

Please see Darrell Wolcott: Henry, the Forgotten Son of Cadwgan ap Bleddyn; http://www.ancientwalesstudies.org/id117.html. (Steven Ferry, April, 22, 2017.)

See Peter Bartrum, http://cadair.aber.ac.uk/dspace/bitstream/handle/2160/5210/Bleddyn%... (June 19, 2017; Anne Brannen, curator)