{{Infobox noble , name = Jon Jarl , title = Earl , image = , caption = , alt = , CoA = , more = no , succession = {{ill, Earl of Sweden, sv, Jarl av Sverige , reign = ?–1206 , reign-type = , predecessor =

Johan Sverkersson Johan Sverkersson ( – 10 March 1222), also known as John I, was King of Sweden from 1216 until his death in 1222. He was the last king from the House of Sverker, leaving no heirs. During his reign, an expedition was launched from Sweden agains ...

, successor = Knut Birgersson , suc-type = , spouse = , spouse-type = , issue-type = , issue = , issue-link = , issue-pipe = , full name = , native_name = , styles = , other_titles = "Terror of the Heathen" , noble family = Possibly Sverker , house-type = , father = , mother = , birth_name = Jon , birth_date = , birth_place = , christening_date = , christening_place = , death_date = c. 1206 , death_place = Asknäs, Ekerö, Sweden , burial_date = , burial_place =

Linköping Cathedral Linköping Cathedral () is an active Lutheran church (building), church in the Swedish city of Linköping, the episcopal seat of the Diocese of Linköping in the Church of Sweden. One of the largest Gothic cathedrals in Scandinavia, it is situat ...

''(disputed)'' , occupation =

Privateer A privateer is a private person or vessel which engages in commerce raiding under a commission of war. Since robbery under arms was a common aspect of seaborne trade, until the early 19th century all merchant ships carried arms. A sovereign o ...

, memorials = , website = , module = 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 Russians ( ) are an East Slavs, East Slavic ethnic group native to Eastern Europe. Their mother tongue is Russian language, Russian, the most spoken Slavic languages, Slavic language. The majority of Russians adhere to Eastern Orthodox Church ...

and Ingrians in the early

Swedish–Novgorodian Wars The Swedish–Novgorodian Wars were a series of armed conflicts during the 12th and 13th centuries, fought between the Novgorod Republic and medieval Sweden over control of the Gulf of Finland. Part of the trade route from the Varangians to the ...

. 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. According to ''Erik's Chronicle'', Jon Jarl was a Swedish earl in the east tasked with the protection of the kingdom against

and Ingrians. Sven Tunberg considers it likely that the earl belonged to the

Sverker family Sverker may refer to: * Sverker I of Sweden (c. 1100 1156), King of Sweden from 1132 * Sverker II of Sweden Sverker the Younger (before 1167 – 17 July 1210), also known as Sverker II or Sverker Karlsson, was King of Sweden from 1195 or 1196 ...

and that he was King Sverker the Younger's "Finnish earl" for nine years.

Death according to ''Erik's Chronicle''

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. {{ill, Estbröte, sv, Estbröte, a high islet in the fairway between Ekerö and {{ill, Johannesdal, sv, Johannesdal, in the southwest of Stockholm). How accurately the chronicle reproduces the actual sequence of events is unclear.{{Citation needed, date=March 2023

Tombstone

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"

.{{Cite web , title=Jon jarl - Svenskt Biografiskt Lexikon , url=https://sok.riksarkivet.se/sbl/Presentation.aspx?id=12185 , access-date=2022-06-10 , website=sok.riksarkivet.se {{S-start {{Succession box , title = Earl of Sweden , years = ?-1206 , with = , before =

, after = Knut Birgersson {{S-end

References

{{Reflist {{DEFAULTSORT:Jarl, Jon 12th-century Swedish nobility 13th-century Swedish people 12th-century births 13th-century deaths Date of birth unknown Swedish jarls {{Sweden-bio-stub