Frederick I, Duke of Austria

Target entity: Frederick I, Duke of Austria
Context triple: [Leopold V, Duke of Austria, child, Frederick I, Duke of Austria]

• A. Frederick II, Duke of Austria
  Frederick II, Duke of Austria was the last male member of the Babenberg dynasty, whose death in 1246 triggered a succession crisis and power struggle over the Austrian lands.
• B. Henry II, Duke of Austria
  Henry II, Duke of Austria was a 13th-century Babenberg ruler who briefly held the ducal title before dying young and leaving the succession to the Austrian lands contested.
• C. Leopold V, Duke of Austria
  Leopold V, Duke of Austria, was a 12th-century Babenberg ruler best known for his role in the Third Crusade and for capturing King Richard I of England on his return from the Holy Land.
• D. Albrecht van Oostenrijk
  Albrecht van Oostenrijk (Archduke Albert of Austria) was a Habsburg prince and Governor of the Spanish Netherlands who led the Spanish forces against the Dutch during the Eighty Years' War.
• E. Rudolf IV, Duke of Austria
  Rudolf IV, Duke of Austria, was a 14th-century Habsburg ruler known for his ambitious state-building policies and cultural patronage, including major architectural projects in Vienna and efforts to elevate the status of his dynasty.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Frederick I, Duke of Austria
Target entity description: Frederick I, Duke of Austria was a late 12th- to early 13th-century Babenberg ruler who governed the Duchy of Austria and Styria and continued his family's consolidation of power in the region.

• A. Frederick II, Duke of Austria
  Frederick II, Duke of Austria was the last male member of the Babenberg dynasty, whose death in 1246 triggered a succession crisis and power struggle over the Austrian lands.
• B. Henry II, Duke of Austria
  Henry II, Duke of Austria was a 13th-century Babenberg ruler who briefly held the ducal title before dying young and leaving the succession to the Austrian lands contested.
• C. Leopold V, Duke of Austria
  Leopold V, Duke of Austria, was a 12th-century Babenberg ruler best known for his role in the Third Crusade and for capturing King Richard I of England on his return from the Holy Land.
• D. Albrecht van Oostenrijk
  Albrecht van Oostenrijk (Archduke Albert of Austria) was a Habsburg prince and Governor of the Spanish Netherlands who led the Spanish forces against the Dutch during the Eighty Years' War.
• E. Rudolf IV, Duke of Austria
  Rudolf IV, Duke of Austria, was a 14th-century Habsburg ruler known for his ambitious state-building policies and cultural patronage, including major architectural projects in Vienna and efforts to elevate the status of his dynasty.
• F. None of above. chosen