in old Norse. This site later became 'College Green' after the Reformation and the establishment of Trinity College. It's said that in the late 1600s that Viking graves were still to be seen at Hoggen Green.

He also sponsored the successful career of churchman St Lawrence O'Toole (Lorcán Ua Tuathail). He married O'Toole's half-sister Mór in 1153 and presided at the synod of Clane in