Gregers Birgersson
Gregers Birgersson (died 15 January 1276), also known as Gregorius, was a Swedish knight and landowner. He was an illegitimate son of Birger Jarl of the House of Bjälbo and an unknown woman, and was therefore a grandson of Magnus Minnesköld and Ingrid Ylva.[1]
Evidence that Birger Jarl had an illegitimate son named Gregers comes from a notice of Gregers's death in excerpts made by the 17th-century Danish historian Otto Sperling from a now-lost copy of an Icelandic annal. The relationship is also supported by a charter dated 27 March 1272, issued by a man described as G quondam ducis filius ("G., son of the late duke").[1]
Gregers owned large estates on Arnö in Uppland. In 1272, he exchanged his estate at Baldastad in Närke for Ängsö in Västmanland.[2] He was married to a woman whose name is unknown and who apparently owned land in Södermanland.[2]
Gregers died in 1276 and was buried at the Franciscan friary in Uppsala.[2] He is regarded as the progenitor of the lineage known as Bjälboättens oäkta gren ("the illegitimate branch of the House of Bjälbo"), also known as Folkungaättens oäkta gren.[1]
He is regarded as the progenitor of the lineage known as Bjälboättens oäkta gren ("the illegitimate branch of the House of Bjälbo"), also known as Folkungaättens oäkta gren.[1] Through his descendants, Gregers was an ancestor of Gustav I of Sweden.[3]
Children
Gregers had at least five children:[2]
- Knut Gregersson
- Magnus Gregersson
- Karl Gregersson
- An unnamed daughter, who married Filip Ingevaldsson (Örnsparre)
- At least one additional unnamed daughter, possibly the mother of Mats Kettilmundsson
References
- 1 2 3 4 "Folkungaätten (oäkta)". Svenskt biografiskt lexikon (in Swedish). Riksarkivet. Retrieved 2 November 2024.
- 1 2 3 4 Gallén, Jarl (1957). "Folkungaättens oäkta gren". In Wernstedt, Folke (ed.). Äldre svenska frälsesläkter: Ättartavlor (in Swedish). Vol. I:1. Stockholm: Riddarhusdirektionen. p. 42.
- ↑ Larsson, Lars-Olof (2005). Gustav Vasa – Landsfader eller tyrann? (in Swedish). Stockholm: Prima. pp. 25ff. ISBN 978-91-518-3904-2.