Burchard I (c. 855/50 – 5 or 23 November 911), a member of the
Hunfriding dynasty, was a Duke of
Alamannia from 909 until his death.
He also held the title of a margrave of Raetia Curiensis, as well as
count in the
Thurgau and Baar.
Burchard was the son of the
Thurgau count Adalbert II the Illustrious
(d. c. 900/06) and his wife Judith of Friuli (d. 902). By 900,
Burchard was already the most powerful noble in Alamannia. In a 904
deed, he appeared as
Vogt administrator of the Swabian possessions of
Lorsch Abbey. He succeeded the Welf scion Ruadulf in the borderlands
of Raetia, mentioned as marchio (margrave) in 903 and dux (duke) in
To further increase his influence, Burchard entered into a conflict
with the Swabian count palatine Erchanger and Bishop Solomon III of
Constance, who both were loyal supporters to the later East Frankish
king Conrad I. In turn, Burchard was captured and charged with high
treason. He was found guilty by a tribal council and
executed,[a] along with his brother, Count Adalbert III of
His son, Burchard II, and his daughter-in-law, Regelinda, left for
Italy, either exiled or taking refuge. Their Rhaetian estates were
lost, though later recovered. Count Palatine Erchanger proclaimed
Duke of Swabia
Duke of Swabia in 915.
About 882 Burchard married one Liutgard (possibly the Ottonian
princess Liutgard of Saxony, widow of King Louis the Younger) and had
the following children:
Burchard II (d. 926), succeeded as
Duke of Swabia
Duke of Swabia in 917
Dietpirch of Swabia (also known as Theoberga) married Hupald of
Dillingen (d. 909).
Odalric, count in the
Thurgau and Zürichgau, had issue.
^ According to Eckhard Muller-Mertens, Burchard was murdered.
^ a b Muller-Mertens 1999, p. 238.
^ a b Reuter 1991, p. 131.
^ Riche 1993, p. 228.
Muller-Mertens, Eckhard (1999). Reuter, Timothy; McKitterick,
Rosamond, eds. The New Cambridge
Medieval History: Volume 3,
C.900-c.1024. Cambridge University Press.
Reuter, Timothy (1991). Germany in the Early Middle Ages C. 800-1056.
Riche, Pierre (1993). The Carolingians: A Family Who Forged Europe.
Translated by Allen, Michael Idomir. University of Pennsylvania
Burchard I, Duke of Swabia
Born: c. 855/50 Died: 5 or 23 November 911
Duke of Alamannia
Leyser, Karl. Communications and Power in
Medieval Europe: The
Ottonian Centuries. London, 1994.