<page_title> List of monarchs of Northumbria </page_title> <section_title> Kings of Northumbria in the Norse era </section_title> <table> <cell> 941 to 943 or 944 <col_header> Reign </col_header> </cell> <cell> Amlaíb Cuarán <col_header> Incumbent </col_header> </cell> <cell> son of Sigtrygg, known in England as Olaf Sihtricson. Óláfr Sigtryggsson in Old Norse. <col_header> Notes </col_header> </cell> </table>
Óláf Sihtricson, otherwise known as Amlaíb Cuarán, had been king of Northumbria in the early 940s.