 It is thought unlikely, however, that he or any other Viking rulers in Ireland can be linked to native Norwegian dynasties.From perhaps as early as 832 until 845 Turgesius terrorised the country and plundered dozens of Christian sites.In the process he supposedly oversaw the establishment of several Norse settlements – including one at Dublin in 841 – and became master of the northern half of the island, known in the Irish annals as "Leth Cuinn", or “Conn's Half”.