Ivar the Boneless as portrayed in the History Channel Series ‘

Ivar the Boneless: A Viking Warrior That Drew Strength From His Weakness

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One would expect "boneless" to describe a man without a lick of bravery. Or perhaps a man without a shred of compassion in a heart of ice. Yet in the case of the infamous Ivar the Boneless, son of the renowned Ragnar Lodbrok, "boneless" means precisely what it sounds like: a man lacking sturdy bones, but not power.

Who Was Ivar?

Possibly the son of Ragnar, best remembered for his horrifying death in a pit filled with venomous snakes, Ivar's existence is as much disputed as his father's.  Both men possess names which were highly common in the northern countries in the ninth and tenth centuries, and there are records more formal than the Icelandic sagas which describe the deeds of similarly named men. In the case of Ivar, there is more certainty to his life, though the extent to which his accomplishments were his own rather than men of a similar name remains contested.

Ivar is recorded as likely having a condition called osteogenesis imperfecta, indicating that his body can bend beyond what the average human is capable. Rather than enhancing his performance however, such a condition would damage his body over time, gradually weakening him physically. While such a diagnosis was not quite believable in the ninth century, Ivar's "strange state" was unusual enough that its origins were tacked on to his mythological bio: if he was the son of Ragnar, Ivar's bone deficiency is attributed to Ragnar succumbing to his overwhelming lust for Ivar's mother, Aslaug, before the agreed upon time. In other words, it was a curse.

Ivar the Boneless as portrayed in the History Channel Series ‘Vikings’ (History Channel)

Ivar the Boneless as portrayed in the History Channel Series ‘Vikings’ ( History Channel )

The Great Heathen Army

Historically, Ivar—despite his boneless moniker—is highly valued for his role as the leader of the Great Heathen Army in 865 AD, discussed in detail in the Anglo-Saxon Chronicle of the same year. This army—called "heathen" because the ninth century still preceded Christianity in certain northern realms—is credited with a high-scale invasion of the Anglo-Saxons in modern day England. This amalgamation of Danish, Swedish and Norwegian warriors (though these countries were not defined in the ninth century the same way they are today) destroyed their Anglo-Saxon enemies in a short-lived, three-day battle.

History Channel ‘Vikings’ Ivar the Boneless, second left, with his brothers.

History Channel ‘Vikings’ Ivar the Boneless, second left, with his brothers. ( History Channel )

According to sources, the Great Heathen Army was headed by Ragnar Lodbrok's three sons, Halfdan Ragnarsson, Ivar the Boneless*, and Ubba. As previously stated, due to the lack of certainty in whether their father Ragnar was the same as the snake-sufferer, it is up for debate precisely why the heathen warriors chose to invade England—that is, if there was a reason beyond the "usual" pirating practices begun when the Vikings invaded Lindisfarne in 793 AD.** If Ivar and his brothers were, in fact, the children of the legendary Ragnar, the significance of this battle increases as the king of Northumbria (one of the Anglo-Saxon kingdoms) was directly responsible for Ragnar's death.

Ivar’s Later Identity

As Ivar the Boneless' parentage is under the umbrella of "legendary", there are other theories as to who this possible historical figure may be. One predominate suggestion is that he is Ímar, a Norse-born ninth century leader of the Viking settlement, Dublin.*** Ímar is recorded in the Irish Annals , an overarching term for the various historical documents written in regions that correlate to modern day Ireland. As Ímar's life and battle against the king of Ulster coincide chronologically with that of Ivar the Boneless, it has often been contemplated whether these two men were one and the same, and it is merely the fault of time and medieval biases that they're ancestry is recorded differently. Further, Ívar is no longer mentioned in any historical records following the year 870, not even as a deceased individual. Ímar, on the other hand, resurfaces at this time after an absence from the Irish Annals, and his death year is definitively determined as 873. Thus, if Ivar and Ímar were, in fact, the same individual with alternating names, giving Ímar/Ivar Ragnar Lodbrok as a father would have made his role in various battles and settlements far more pertinent mythologically as well as historically.


Is it possible that Ivar's title "the Boneless" refers not to osteogenesis but rather to the flexibility that training like martial arts develops?

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