 Diarmait Ó Conchobair was Prince of a province in what country?
Diarmait Ó Conchobair: Diarmait mac Ruaidrí Ó Conchobair, Prince of Connacht, died 1221. Connacht: Connacht  or Connaught (Irish: "Connacht" or "Cúige Chonnacht") is one of the provinces of Ireland, situated in the west of the country.
Ireland