Catholic Encyclopedia - St. Dubric, Welsh bishop and confessor, d. 612. Also called St. Dubricius or Dyfrig. www.newadvent.org/cathen/05179a.htm
For All the Saints - Essay says that St. Dubricius was a monastic founder and d. about 545. Also known as St. Dubric, Dyfrig, or Devereux. users.erols.com/saintpat/ss/1114.htm#deve
St. Dyfrig, Bishop of Ergyng - Biographical details of this tutor of many saints. www.earlybritishkingdoms.com/bios/dyfrig.html
