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Son of Einion ab Adda Husband of Gwenllian ferch Gruffudd Father of Margred ferch Adda Fychan; Gwenhwyfar ferch Adda Fychan and Einion ab Adda Fychan
See Peter Bartrum, https://www.geni.com/documents/view?doc_id=6000000173392689962 (August 18, 2022; Anne Brannen, curator)