One of the old royal abbeys of Bavaria, refounded as an imperial abbey by Otto II in 978.
It holds the lake and valley of Tegernsee. Its advocates since 1121 are the counts of Andechs, and its abbot is a Berg, brother of the bishop of Freising, who also rules Kremsmünster in Austria.
Who holds it
- Name
- Manegold (Mangold) of Berg
- Title
- Abbot of Tegernsee
- Since
- 1189-1190
- Confidence
- high
Youngest son of Count Diepold II of Berg-Schelklingen and Gisela of Andechs, brother of Bishop Otto II of Freising. Formerly abbot of St Georgen in the Black Forest; abbot of Kremsmünster 1183-1206 and of Tegernsee 1189 or 1190-1206, holding both at once; went on crusade in 1197. His appointment at Tegernsee reflected the network of the Berg, Andechs and Staufen houses. He becomes bishop of Passau in 1206 and dies at Vienna on 9 June 1215.
What it holds
- The Tegernsee valley and lake with the abbey's estates
- Imperial abbey status since 978
How it was acquired
Refounded as an imperial abbey in 978.
How things stand that morning
Manegold rules Tegernsee together with Kremsmünster.
Wealth
Estates and forest.
Threats
- Advocates' encroachment
Advocates and rivals
The counts of Andechs, advocates since 1121; the dukes of Bavaria. In the 13th and 14th centuries the abbey sank into dependence on noble families.
Where the sources disagree
Evidence: Abbot and status from the German Wikipedia; the valley lordship's 1200 extent is approximate.
On the map: Drawn as the modern Tegernsee valley communes.
Primary sources for Bavaria
Chronicles, registers, sagas and inscriptions written in or near 1200 that cover this entry. Each has its own page with editions, translations and where to read it.
- Annals of Schäftlarn and the Bavarian annals (12th and 13th centuries). Brief Bavarian annals. Read online
- The Austrian and Salzburg annals (kept in the 12th and 13th centuries, with continuations to the late 13th century). A family of monastic annals from Austria, Styria and Salzburg, printed together. Read online
- Chronicle of Otto of St Blasien, Otto of St Blasien (about 1209 to 1210). A Swabian continuation of Otto of Freising written from the Staufen side. Read online
- Regesta Imperii V: calendar of the acts of Philip, Otto IV and Frederick II, 1198 to 1272 (calendar of documents of 1198 to 1272, published 1881 to 1901). A dated calendar of every known act of King Philip and King Otto IV, with the acts of popes and princes that bear on the Empire. Read online
- Bavarian monuments: the charters of the Bavarian monasteries and bishoprics (charters from the 8th century onward, published 1763 to 1916). The great charter series of Bavaria, arranged by monastery and bishopric. Read online
- Charter book of the bishops of Trent (compiled 1207 to 1218; documents from the 11th century onward; edited 1852). The cartulary of the prince-bishops of Trent. Read online
Sources and studies
Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.