Tiernan O’Ruark References Tiernan O’Ruark Irish king Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Dermot Macmurrough…he abducted the wife of Tiernan O’Ruark, king of Breifne (modern counties of Leitrim and Cavan). Read More…he abducted the wife of Tiernan O’Ruark, king of Breifne (modern counties of Leitrim and Cavan). Read More