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| Henry II Jasomirgott | |
|---|---|
| Name | Henry II Jasomirgott |
| Succession | Duke of Austria |
| Reign | 1156–1177 |
| Predecessor | Frederick I of Babenberg |
| Successor | Leopold V of Austria |
| Birth date | c. 1107 |
| Death date | 13 January 1177 |
| House | House of Babenberg |
| Father | Leopold III, Margrave of Austria |
| Mother | Agnes of Germany |
Henry II Jasomirgott was a 12th-century member of the House of Babenberg who played a central role in the transformation of the March of Austria into the Duchy of Austria. As a principal actor in the politics of the Holy Roman Empire during the reigns of Lothair III and Frederick I Barbarossa, he navigated dynastic rivalries, imperial investiture, and regional consolidation. His life intersected with leading figures and institutions of medieval Central Europe.
Born circa 1107 into the House of Babenberg, Henry II was the son of Leopold III, Margrave of Austria and Agnes of Germany, linking him to the Salian dynasty and to the imperial court of the Holy Roman Empire. His siblings included Leopold IV, Margrave of Austria and Adelheid of Austria, connecting the family with houses such as the Saxons, Burgundians, and Capetians through marriages with figures tied to Lothair II of Supplinburg and the Welf interests. Early exposure to courts in Regensburg, Mainz, and Vienna acquainted him with clerical leaders like the Archbishop of Salzburg and secular magnates including the Counts of Andechs and Margraviate of Istria. The Babenberg patrimony encompassed domains along the Danube and adjacent frontier territories such as Mödling and Krems an der Donau.
Following the death of Leopold IV and during the shifting loyalties after the death of Lothair III, Henry II secured the margravial title in the context of rival claims by the House of Welf and other regional potentates. Imperial politics beneath Conrad III of Germany and later Frederick I Barbarossa shaped his status, as did treaties and grants negotiated at assemblies in Regensburg, Würzburg, and Innsbruck. He acquired the counties of Traungau and strengthened ties with the Bishopric of Passau and the Patriarchate of Aquileia. Papal relations with Pope Eugene III and Pope Adrian IV also influenced investiture in the eastern marches.
As Margrave, Henry II consolidated Babenberg control over the Austrian march, administering comital rights in places like Enns, Melk Abbey, and Tulln. He engaged with monastic institutions including Göttweig Abbey, Lorch Abbey, and the Benedictine establishments patronized by his father, shaping ecclesiastical landholding and colonization efforts. Economic links to Bratislava and trade along the Danube River increased, as did contacts with Bohemia under Soběslav I and later Vladislaus II of Bohemia. He managed feudal relationships with counts such as the Counts of Pernegg and noble families in the Traungau and Gau regions.
Henry II was elevated from Margrave to Duke of Austria by Frederick I Barbarossa in the course of imperial reorganizations formalized at the Privilegium Minus of 1156, altering the status of the Austrian territory within the Holy Roman Empire. This elevation placed him among the ducal peers alongside rulers such as the Duke of Bavaria, Duke of Swabia, and Duke of Saxony. His diplomacy with Pope Adrian IV, the imperial chancellery in Aachen, and the curia at Rome balanced imperial authority against papal influence. The elevation also affected relations with neighboring powers including the Kingdom of Hungary under Geza II and the Byzantine Empire through dynastic and commercial ties.
Henry II pursued internal consolidation by granting privileges to urban centers like Vienna, Enns, and Krems, fostering market rights and fortification projects at sites such as Dürnstein and Aggstein Castle. He continued Babenberg support for monastic reform movements linked to Cluny and the Hirsau Reforms, patronizing houses such as Melk Abbey and Lorch Abbey while negotiating episcopal jurisdiction with the Bishopric of Passau and Archbishopric of Salzburg. Administrative reforms involved the delegation of comital authority to ministeriales drawn from families like the Traungau ministeriales and coordination with castellans controlling fortresses on the Danube frontier. These policies stimulated settlements by German colonists into borderlands including Styria and improved infrastructure connecting to Regensburg and Bavaria.
Henry II led campaigns to defend the eastern frontier against incursions and to assert Babenberg claims in disputes with neighbors such as the March of Styria and the Kingdom of Hungary. He participated in imperial expeditions under Conrad III and Frederick I Barbarossa, aligning with princes including the Duke of Bohemia and the Margrave of Meissen. Fortification efforts at Vienna City Walls and castles like Dürnstein supported his strategic posture along Danubian routes used by forces from Kievan Rus' and Bulgaria. Diplomacy included negotiated truces and marital alliances with houses like the Árpád dynasty and the House of Andechs, and he engaged in imperial assemblies at cities such as Frankfurt and Regensburg.
Henry II married Theodora Komnene (often rendered as Theodora), linking the Babenbergs to the Komnenos imperial family of the Byzantine Empire and enhancing transregional prestige with ties to Constantinople. His offspring included notable figures who continued Babenberg succession, such as Leopold V, Duke of Austria, and daughters married into families including the Counts of Tyrol and the House of Andechs-Merania. The ducal elevation and marital network he established influenced later disputes in the Austrian and Bavarian spheres, shaping succession dynamics that involved houses like the Habsburgs in subsequent centuries. His patronage of monasteries such as Melk Abbey left enduring cultural legacies visible in medieval architecture and manuscript collections associated with institutions including Bamberg Cathedral and Salzburg Cathedral.
Category:Babenberg dynasty Category:12th-century dukes of Austria