RAGNARSSON Halfdan

Male 0822 - 0877  (~ 55 years)

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  • Name RAGNARSSON Halfdan 
    Birth 0822  Scandinavia Find all individuals with events at this location 
    Gender Male 
    Death 0877  Strangford Lough, County Down, Ireland Find all individuals with events at this location 
    Notes 
    • Halfdan Ragnarsson was a Viking leader who took part in the invasions of the Anglo-Saxon kingdoms of England. He is one of six sons of Ragnar Lodbrok named in Norse sagas. His brothers include Björn Ironside, Ivar the Boneless, Sigurd Snake-in-the-Eye, Ubba and Hvitserk. Some sources say that Halfdan and Hvitserk may be the same person; he is named Albann in the records of Ulster; and does not seem to be named in Norse sources. [1] [2] [3]

      The brothers Ubba, Halfdan and Ivar the Boneless, were among the leaders of "the Great Heathen Army" that invaded England in 865. [4] [5]

      About 875, with the return of the the Great Army to Northumbria after a long series of battles in East Anglia, Mercia and Wessex, Halfdan was nominally ruler of Northumbria, though only in fact exercised power in the trading town of Jorvik/York for a time. [6] He left soon after to become involved in a struggle for power in the more important trading centre of Dublin.

      Halfdan campaigned in Ireland, the Annals of Ulster record that Oistín, son of Amlaíb, king of the Norsemen was deceitfully killed by Albann. [7]

      He died near Strangford Lough in County Down, killed in the Battle of Strangford Lough, fought in 877 between two groups of Vikings, loosely identified in the Irish Annals as the "fair heathens" (Danes) and the "dark heathens" (Norse). The Annals of Ulster record this battle as 'a skirmish at Loch Cuan between the fair heathens and the dark heathens, in which Albann, king of the dark heathens, fell.' [8] [9]

      Research Note
      Relationships between historical figures could have been simplified or even fabricated in the text to give the impression that succession remained within the same family. Precise chronology is also difficult to assess from the Sagas. The conclusion must be that the tight family network described in the Sagas is unlikely to be correct and that the relationships shown below should be treated with considerable caution.

      Sources
      ↑ Wikipedia - Ragnar Lodbrok provides an overview of the sources naming Ragnar and his family
      ↑ The six sons of Ragnar Lodbrok named as Eiríkr, Agnarr, Ívarr beinlausi, Björn járnsíða, Hvítserkr, Sigurðr - Þáttr af Ragnars Sonum / The Tale of Ragnar’s Sons in The Complete Fornaldarsögur Norðurlanda; Legendary Sagas of the Northland in English Translation - trans: Peter Tunstall 2005
      ↑ The sons of Ragnar named as Fridleif, Radbard, Dunvat, Sigurd Snake-in-the-Eye, Björn Ironside, Agnar and Ivar the Boneless, Ubbe, Ragnvald, Eric Weatherhat and Hvitserk in the Gesta Danorum by Saxo Grammaticus; Internet Archive : The first nine books of the Danish history of Saxo Grammaticus pub: D. Nutt, London 1894.
      ↑ "Ragnar Lodbroks söner Ivar, Ubbe och Halvdan erövrade i spetsen för en stor dansk vikingahär York år 866" Heimskringla - Anmärkningar: note: 9
      ↑ 'This year came the army to Reading in Wessex ..... they had two heathen kings, Bagsac and Healfden' The Anglo-Saxon Chronicle : AD 871 trans: J.H. Ingram
      ↑ 'The same year Healfden divided the land of the Northumbrians; so that they became afterwards their harrowers and plowers.' The Anglo-Saxon Chronicle : AD 876 trans: J.H. Ingram
      ↑ Celt: Annals of Ulster : U875.4 'Oistin m. Amlaiph regis Norddmannorum ab Alband per dolum occisus est.'
      ↑ " 'A battle at Loch Cuan between the fair heathens and the dark heathens, in which Albann, chief of the dark heathens, fell.' " Celt: Chronicon Scotorum : Annal CS877
      ↑ 'Belliolum occ Loch Cuan eitir Finngenti & Dubgennti in quo Albann, dux na n-Dubgenti, cecidit.' Celt: Annals of Ulster : U877.5 'A skirmish at Loch Cuan between the fair heathens and the dark heathens, in which Albann, king of the dark heathens, fell.' Celt: Annuls of Ulster U877.5
      Viking Archaeology : Halfdan King of York
      See also;

      Anglo Saxon Chronicle in The Project Gutenberg eBook of The Anglo-Saxon Chronicle (English) trans: J. A. Giles & J. Ingram; Release: Sept.1, 1996 [eBook #657] updated: January 1, 2021
      Wikipedia : Halfdan Ragnarsson
    Person ID I58755  Freeman-Smith
    Last Modified 27 Jan 2026 

    Father SIGURDSSON Ragnar Lodbrok,   b. Abt 0775, Scandinavia Find all individuals with events at this locationd. Bef 0865 (Age < 89 years) 
    Relationship natural 
    Mother SIGURDSDATTER Åslaug Kråka,   b. Abt 0775, Scandinavia (Norway) Find all individuals with events at this locationd. Ringerike, Norway Find all individuals with events at this location 
    Relationship natural 
    Marriage Scandinavia Find all individuals with events at this location 
    Family ID F26148  Group Sheet  |  Family Chart

    Father SIGURDSSON Ragnar Lodbrok,   b. Abt 0775, Scandinavia Find all individuals with events at this locationd. Bef 0865 (Age < 89 years) 
    Relationship natural 
    Mother HERRÖDSDOTTER Tora Borgarhjort,   b. Abt 0800, Scandinavia Find all individuals with events at this locationd. Scandinavia Find all individuals with events at this location 
    Relationship Stepchild 
    Family ID F26408  Group Sheet  |  Family Chart


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