Question:  Diarmait Ó Conchobair was Prince of a province in what country?
Sentence (from "Diarmait Mac Murchada"): The grounds for the dispossession were that Mac Murchada had, in 1152, abducted Derbforgaill, the wife of the King of Breifne, Tiernan O'Rourke (Irish: "Tighearnán Ua Ruairc" ).
Relevant evidence: No