Jon Jarl was a Swedish jarl at the end of the 12th and in the early 13th centuries. He is mentioned in Erik's Chronicle from the 1320s to have spent years fighting against Russians and Ingrians in the early Swedish–Novgorodian Wars.

Jon Jarl
Earl
Earl of Sweden [sv]
Reign?–1206
PredecessorJohan Sverkersson
SuccessorKnut Birgersson
Other titles"Terror of the Heathen"
BornJon
Diedc. 1206
Asknäs, Ekerö, Sweden
BuriedLinköping Cathedral (disputed)
Noble familyPossibly Sverker
OccupationPrivateer

According to 15th-century historian Ericus Olai, he was murdered at his home in Asknäs in Ekerö parish by the Lake Mälaren in 1206, allegedly by Russian pirates.[1]

According to Erik's Chronicle, Jon Jarl was a Swedish earl in the east tasked with the protection of the kingdom against Russians and Ingrians. Sven Tunberg considers it likely that the earl belonged to the Sverker family and that he was King Sverker the Younger's "Finnish earl" for nine years.[2]

Death according to Erik's Chronicle

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According to Erik's Chronicle, after being away for nine years, Jon Jarl was killed on his farm at Askanäs on Ekerö by Karelian or Russian pirates the same night that he returned from a crusade between Ingrians and Russians.

The Chronicle states:

Thz er swa sant som jak her læss
Jon jerl ward dræpin i askaness

Jon's wife fled across the bay to Hundhamra (i.e. Norsborg), and gathered a mob to kill the perpetrators.

They caught up and fought them off at "Eesta skär" (i.e. Estbröte [sv], a high islet in the fairway between Ekerö and Johannesdal [sv], in the southwest of Stockholm).

How accurately the chronicle reproduces the actual sequence of events is unclear.[citation needed]

Tombstone

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No historical evidence on the jarl exists, although he may be the "Johannes Dux" who is shown on an undated tombstone also labelled "Terror of the heathens" Linköping Cathedral.[3]

Preceded by Earl of Sweden
?-1206
Succeeded by

References

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  1. ^ Line, Ph (2007-01-01). Appendix 1. Families And Their Landholdings. Brill. doi:10.1163/ej.9789004155787.i-700.77. ISBN 978-90-474-1983-9.
  2. ^ Siege of Sigtuna 1187, by Adolf Schück, Fornvännen 215-219
  3. ^ "Jon jarl - Svenskt Biografiskt Lexikon". sok.riksarkivet.se. Retrieved 2022-06-10.