List of monarchs of Northumbria
Kings of Northumbria in the Norse era

List of monarchs of Northumbria

Section Title: Kings of Northumbria in the Norse era
Table Section Text: None

Reign	Incumbent	Notes

867 to 872	Ecgberht I	puppet king of the Danes

872 to 876	Ricsige

876 to 877	Halfdan Ragnarsson	Hálfdan in Old Norse, Halfdene or Healfdene in Old English, Albann in Old Irish. Norse ruler in York.

877 to 883	Interregnum

c. 883 to 895	Guthred	Guðrøðr in Old Norse

late 9th century/early 10th century	Siefredus	Sigfroðr in Old Norse.

late 9th century/early 10th century	Cnut	Knútr in Old Norse. Sigfroðr and Knútr may have been joint kings for part or all of the period between 895 and 905

fl. c. 900—902	Æthelwold

c.902-910	Hálfdan and Eowils	Another king, Ingwær, their brother, may have also ruled. All three were killed at the Battle of Tettenhall.

914 (or before) to 921	Ragnall	Probably controlled much of Northumbria before finally becoming king of York in 918.

921 to 927	Sigtrygg	Known as Sitric Cáech in Irish chronicles.

927	Gofraid ua Ímair	Guthfrith in Old English. Guðrøðr in Old Norse.

927 to 939	Æthelstan of Wessex	As King of the English

939 to 941	Olaf Guthfrithson	son of Gofraid ua Ímair, known as Amlaíb mac Gofraid in Irish chronicles

941 to 943 or 944	Amlaíb Cuarán	son of Sigtrygg, known in England as Olaf Sihtricson. Óláfr Sigtryggsson in Old Norse.

943 to 944 (with Amlaíb Cuarán?)	Ragnall Guthfrithson	Old Norse: Røgnvaldr Guðrøðsson; Old Irish: Ragnall mac Gofraid. Son of Gofraid ua Ímair

roughly 944 to 946	Eadmund of Wessex	As King of the English

c. 947 to 948	Eric Bloodaxe

949 to 952	Amlaíb Cuarán	restored

952 to 954	Eric Bloodaxe	restored

from 954	Eadred of Wessex	Claiming and enforcing rule from 946; Kingdom absorbed permanently into England after 954

Sentence(s)

Siefredus (Old Norse: Sigfrøðr) was the Norse King of Northumbria.

final_sentence: Siefredus (Old Norse: Sigfrøðr) was the Norse King of Northumbria.