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Berthold VDuke of Zähringen since 1186
Date of Birth: 01.01.1160
Country:  Germany |
Content:
- Berthold V, the Last Duke of Zähringen
- Consolidating Power and Establishing Bern
- Imperial Ambitions and Shifting Alliances
- Construction of Freiburg Cathedral
- Failed Expansion and Conflict with Savoy
- Death and Partition of Zähringen Territories
Berthold V, the Last Duke of Zähringen
Born in 1160 as the son of Duke Berthold IV and Clemence of Namur, Berthold V became the Duke of Zähringen in 1186. The Zähringen territories were divided between Berthold and his uncle Adalbert, the Duke of Teck.
Consolidating Power and Establishing Bern
Berthold V quickly asserted his authority over the Burgundian nobility. He pacified the areas around Lake Lucerne (the future heart of Switzerland) and Lake Thun, expanding Thun's territory and founding the city of Bern in 1191 as the center of his domain.
Imperial Ambitions and Shifting Alliances
After the death of Emperor Henry VI, several imperial princes offered the crown to Berthold V. He initially accepted but discerning that the majority of German nobles favored the Hohenstaufen candidate, Philip of Swabia, Berthold threw his support behind Philip. In exchange, he received territories in southern Germany and northern Switzerland, as well as 3,000 silver marks for withdrawing his claim to the crown.
Construction of Freiburg Cathedral
In 1200, Berthold V embarked on rebuilding the renowned Freiburg Cathedral, founded by his grandfather Conrad, to serve as the Zähringen family mausoleum.
Failed Expansion and Conflict with Savoy
Berthold's attempt to expand his territory into the Valais region in 1211 was met with defeat at the Battle of Ulrichen. This marked the end of Berthold's southern expansion.
Death and Partition of Zähringen Territories
Berthold V died childless in 1218, marking the end of the Zähringen line. The Burgundian imperial fiefs reverted to the emperor, with Zurich and Bern becoming free imperial cities. The estates in Breisgau, Swabia, the Black Forest, and Switzerland were inherited through the female line by the Counts of Urach and Kyburg.
