Adalbert I, Duke of Teck

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Adalbert I, Duke of Teck
Adalbert I von Teck - Ausschnitt aus dem Stammbaumgemälde der Herzöge von Teck (um 1557).JPG
Adalbert I of Teck - detail from a painting of the family tree of the Dukes of Teck, c. 1557
Spouse(s) Adelaide
Noble family House of Zähringen
Father Conrad I, Duke of Zähringen
Mother Clementia of Luxembourg-Namur
Born c. 1135
Died c. 1195
Eagle seal of Adalbert, Duke of Teck (c. 1190)

Adalbert I, Duke of Teck, (c. 1135c. 1195) was a German nobleman. After the death of his brother Berthold IV, he styled himself Duke of Teck, and thus founded the elder line of the Dukes of Teck, which would exist until 1439.


He was a son of Duke Conrad I of Zähringen and his wife Clementia of Luxembourg-Namur. He was named after his maternal uncle.

When his brother Berthold IV died in 1186, he inherited the family possessions in the foothills of the Swabian Jura, including Teck Castle and the office of Cup-bearer of the Abbey of St. Gall and the area on the upper Neckar that went with this office.

He is first mentioned as the son of Duke Conrad I in a document dated 1146; in 1152, he is named as a younger brother of Duke Berthold IV. In May 1189, he is first mentioned as Duke of Teck (Dux de Tecke) in a document of Emperor Henry VI.

A Duke "Adalbert of Teck" is also mentioned on 20 June 1192 in Schwäbisch Gmünd, on 4 (or 10) December 1193 in Gelnhausen and on 12 December 1193 at the court of Henry VI in Frankfurt, in a document of Count Egino IV of Urach about Bebenhausen Abbey, and by Bishop Diethelm of Constance in 1192. However, it is not clear whether these are references to Adalbert I or to his son, Adalbert II.

When his brother Hugh, Duke of Ullenburg died, Adalbert inherited his possessions in the Ortenau and the Breisgau. He may have already held the office of Treasurer of the Bishopric of Basel.

Marriage and issue[edit]

Adalbert I was married to a noblewoman named Adelaide. Her parentage is unknown. They had the following children:

  • Adalbert II (d. c. 1215/1219)
  • (?) Agatha, married Diepold, Count of Lechsgemünd (d. after 1192)
  • (?) Matilda


  • Götz, Rolf: Die Herzöge von Teck, edited by the City Archive of Kirchheim unter Teck, Kirchheim unter Teck, 2009, ISBN 978-3-925589-49-2
  • Götz, Rolf: Wege und Irrwege frühzeitlicher Historiographie, edited by Sönke Lorenz, Volker Schäfer, and Wilfried Setzler for the series Tübinger Bausteine zur Landesgeschichte, Jan Thorbecke Verlag, 2007, ISBN 978-3-7995-5508-1
  • Weller, Tobias: Die Heiratspolitik des deutschen Hochadels im 12. Jahrhundert, Böhlau Verlag, Cologne, 2004, ISBN 3-412-11104-X
Adalbert I, Duke of Teck
Born: c. 1135 Died: c. 1195
New title Duke of Teck
Succeeded by
Adalbert II