Gregers Birgersson (died 15 January 1276) Greger/Gregory/Gregorius was a Swedish knight, a major landowner and an illegitimate son of

Birger Jarl Birger Jarl or Birger Magnusson (21 October 1266) was a Swedish statesman and regent, ''Swedish jarls, jarl'', and a member of the House of Bjälbo, who played a pivotal role in consolidating Sweden after the civil wars between the House of Eri ...

of the

House of Bjälbo The House of Bjälbo, also known as the House of Folkung ( or ), was a Swedish family that produced several medieval bishops, jarls and kings of Sweden. It also provided three kings of Norway and one king of Denmark in the 14th century. Na ...

(also known as the House of Folkung). He was born out of wedlock by an unknown woman. He was the grandson of Magnus Minnesköld and

Ingrid Ylva Ingrid Ylva ( – –1255) was a Swedish noblewoman, the wife of Magnus Minnesköld of Bjälbo and the mother of regent Birger Jarl. The exact years of her birth and death are unclear; a traditional year quoted for her death is 26 October 1252; it ...

. The proof that Birger Jarl had an illegitimate son, "Gregory" (i.e., Gregers) is in the record of his death (1276) found by the Danish 1600-century historian Otto Sperling excerpts from the transcript are also confirmed by a charter 27 March 1272, issued by the "G quondam ducis Filius". His death was recorded on 15 January 1276, he was buried in Minoriterna, a

Franciscan The Franciscans are a group of related organizations in the Catholic Church, founded or inspired by the Italian saint Francis of Assisi. They include three independent Religious institute, religious orders for men (the Order of Friars Minor bei ...

monastery in

Uppsala Uppsala ( ; ; archaically spelled ''Upsala'') is the capital of Uppsala County and the List of urban areas in Sweden by population, fourth-largest city in Sweden, after Stockholm, Gothenburg, and Malmö. It had 177,074 inhabitants in 2019. Loc ...

. Very little remains of the monastery, apparently it has been partially excavated and several graves were found. He was a landowner in Baldastad in

Närke Närke () is a Swedish traditional province, or ''landskap'', situated in Svealand in south central Sweden. It is bordered by Västmanland to the north, Södermanland to the east, Östergötland to the southeast, Västergötland to the sou ...

and the Arnön in

Uppland Uppland is a historical province or ' on the eastern coast of Sweden, just north of Stockholm, the capital. It borders Södermanland, Västmanland and Gästrikland. It is also bounded by lake Mälaren and the Baltic Sea. The name literally ...

and he was married to an unknown woman who owned an estate in

Södermanland Södermanland ( ), locally Sörmland, sometimes referred to under its Latinisation of names, Latinized form Sudermannia or Sudermania, is a Provinces of Sweden, historical province (or ) on the south eastern coast of Sweden. It borders Österg� ...

. He is regarded in history as the father of the clan called “Bjälboättens oäkta gren” (the illegitimate branch of the House of Bjälbo).

Children

# Knut Gregersson # Jon Gregersson # Magnus Gregersson # Karl Gregersson # NN Gregersdotter, married Filip Ingevaldsson (Örnsparre) # NN Gregersdotter, possibly the mother of

Mats Kettilmundsson Mats Kettilmundsson (also Mattias) (ca. 1280 - died 11 May 1326) was a Swedish knight, riksdrots and statesman. Biography In 1302, Mats Kettilmundsson was one of the knights and confidants of Duke Eric Magnusson (c. 1282–1318). He joined t ...

References

{{DEFAULTSORT:Birgersson, Gregers 1276 deaths House of Bjälbo Swedish nobility Year of birth missing