Friedrich von Büren Herzog von Schwaben
(Abt 1050-Bef 1105)


Family Links

1. Agnes

  • Friedrich II von Staufen Herzog von Schwaben+

Friedrich von Büren Herzog von Schwaben

  • Baptised: Abt 1050
  • Marriage (1): Agnes 1
  • Died: Bef 21 Jul 1105

  General Notes:

FRIEDRICH von Büren, son of FRIEDRICH von Büren & his wife Hildegard --- ([1050]-1105 before 21 Jul, bur Lorsch Monastery). The Tabula consanguinitatis Friderici I regis et Adelæ reginæ (which provided the basis for their divorce) names "ducem Fridericum, qui Stophen condidit" as son of "Fridericus de Buren". "Hildegardis…cum filiis meis, Ottone…Argentinenis ecclesie episcopo Suevorumque duce Friderico, Lodewico, Walthario, Cunrado et filia mea Adalheida" made a donation to the monastery of St Fides at Schlettstadt in Alsace dated 1094, presumably just before she died. The De Fundatione Monasterii Sancti Fides Sletstatensis names "Fredericus dux Alemannorum [qui fuit Friderici ducis Swevie], qui Romani imperatoris filiæ coniugo, et duo eius fratres Argentinensis episcopus Otto et Conradus". "Ottone Argentinensi…episcopo" and "fratres mei dux…Suetiæ Fridericus, Ledeuvicus et Galtharius" donated property in "Scelstat villa, in pago Alsatiæ et in comitatu Beirricheim" to the abbey of Conques by charter dated 23 Jul 1095, naming "matre…nostra fratreque nostro Conrado…defunctis". He was installed as FRIEDRICH I Duke of Swabia at Easter 1079 by Heinrich IV King of Germany. Jackman speculates that his theory concerning a possible Konradiner origin of Friedrich's mother could have justified Friedrich claiming Swabia for which no other genealogical basis is found, although this begs the question of the extent to which ducal appointments in Germany were based on family relationship in the 11th century. He built the castle of Stauf near Göppingen from which the family eventually took its name. The Gesta Friderici of Otto of Freising records his death "in senectate" and burial "in monasterio Laureacensi".

m (betrothed Regensburg 24 Mar 1079, 1089) as her first husband, AGNES of Germany, daughter of Emperor HEINRICH IV King of Germany ([Summer 1072/early 1073]-24 Sep 1143, bur Klosterneuburg). The Gesta Friderici of Otto of Freising records the marriage of "filiam unicam" of King Heinrich IV and "Fridericus dux Suevorum", naming her Agnes in a later passage. In a subsequent passage, the Gesta records the second marriage of Agnes to "Leopaldo Orientali marchioni". She married secondly (1106) Leopold III "der Heilige" Markgraf of Austria . The Continuatio Claustroneoburgensis records the marriage of "Liupoldus marchio Austrie" and "Agnetem imperatoris Heinrici IV filiam", specifying that the couple had seven children who died in infancy and eleven who survived into adulthood, six sons and five daughters. The marriage presumably took place early in the year if it is correct, as stated by Haverkamp, that it was arranged by Agnes's brother, the future Emperor Heinrich V, to obtain her future husband's support for his rebellion against their father. The Auctarium Mellicense records that Agnes, wife of "Leopoldus marchio", gave birth to 18 children. The Annales Magdeburgenses record the death in 1143 of "Agnes marchionissa mater Cuonradi regis". The necrology of Nonnberg records the death "VIII Kal Oct" of "Agnes marchionissa". The necrology of Kloster Neuburg records the death "VIII Kal Oct" of "Agnes marchionissa fundatrix h e".

Duke Friedrich & his wife had [twelve] children:

Friedrich married Agnes, daughter of Heinrich IV Römisch-deutscher König und Kaiser and Berthe de Savoie.1 (Agnes was born between Jun 1072 and Mar 1073, died on 24 Sep 1143 1 and was buried in Stift Klosterneuburg, Klosterneuburg, Niederösterreich, 3400, AT 1.)


1 Charles Cawley, <i>Medieval Lands</i>.

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