(Duke of Carinthia, Margrave of Verona) Berthold I ZÄHRINGEN
#68015
ABT 1000 - 6 NOV 1078
AKA: Berthold I
Personal Information
- TITLE: Duke of Carinthia, Margrave of Verona
- BIRTH: ABT 1000
- DEATH: Limburg Castle
6 NOV 1078, Weilheim an der Teck, Esslingen, Baden-Württemberg, Germany
Notes
Founder of the House of Zahringen
He was possibly a descendant of one Berthold (or Bezelin) von Villingen (d. 1024), a Swabian count in the Breisgau region and relative of the Ahalolfing dynasty. The early Zähringer were close allies of the Imperial Ottonian dynasty; Berthold von Villingen's son Count Birchtilo was among the nobles capturing and mutilating Antipope John XVI in 998, at the behest of Emperor Otto III. On his mother's side of the family, Berthold probably descended from the Hohenstaufen family, who then ruled as Swabian counts in Ortenau, Thurgau, Breisgau, and Baar.
Berthold quickly rose to be one of the most powerful counts in Swabia, and the Salian emperor Henry III even promised his party-follower the title of Duke of Swabia, then held by Otto of Schweinfurt. However, upon Otto's death in 1057, Henry's widow Agnes of Poitou gave the Duchy of Swabia in fief to Count Rudolf of Rheinfelden. Berthold received, as compensation for the abandonment of his claim, the Duchy of Carinthia and the March of Verona, after the death of the Ezzonid duke Conrad III in 1061. As a result, the Zähringer finally ascended to the status of a princely house.
Berthold remained the only Carinthian duke from the Zähringen dynasty. Both in Carinthia and Verona, like his Ezzonid predecessor, he was considered a foreign ruler and was never really accepted by the local nobles. According to the contemporary chronicler Lambert of Hersfeld, he was even temporarily declared deposed in 1072/1073. Moreover, Berthold fell out with King Henry IV during the fierce Investiture Controversy when, together with Duke Welf I of Bavaria, he supported the election of his former rival Rudolf of Rheinfelden as antiking, after King Henry's Walk to Canossa in 1077. In turn, the king convened the Imperial Diet at Ulm, where he seized the duchy and gave Carinthia to Liutold of Eppenstein, whose grandfather Adalbero had held it until 1035.
Berthold then retired to his Swabian home territory, where he had to ward off constant attacks by King Henry's forces. He died the next year at Limburg Castle and was buried in Hirsau Abbey, where he had backed the construction of the monastery church under Abbot William.
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