Adda ab Iorwerth Goch

See Darrell Wolcott, http://www.ancientwalesstudies.org/id92.html -- "The Pedigree of Ednywain Bendew" -- for untangling of these lines. (April 19, 2016, Anne Brannen, curator)

Please see Darrell Wolcott: Pedigree of "Ednowain Bendew II"; http://www.ancientwalesstudies.org/id92.html, [#62] (Steven Ferry, October 31, 2017.)

Please see Peter Bartrum: Iorwerth Goch; https://www.geni.com/documents/view?doc_id=6000000173392786840 (Steven Ferry, December 27, 2023.)