Isaac II Angelos

Target entity: Isaac II Angelos
Context triple: [Alexios III Angelos, sibling, Isaac II Angelos]

• A. Alexios IV Angelos
  Alexios IV Angelos was a Byzantine emperor whose alliance with the leaders of the Fourth Crusade led to the crusaders’ intervention in Constantinople and the eventual sack of the city in 1204.
• B. Alexios III Komnenos
  Alexios III Komnenos was a Byzantine emperor of Trebizond from the 14th century, known for consolidating his realm along the Black Sea coast and patronizing Orthodox monastic institutions.
• C. Byzantine Emperor Alexios III Angelos
  Byzantine Emperor Alexios III Angelos was a late 12th- to early 13th-century ruler of the Byzantine Empire whose weak leadership and mismanagement contributed to the empire’s decline and the events leading up to the Fourth Crusade.
• D. John III Doukas Vatatzes
  John III Doukas Vatatzes was a 13th-century Byzantine emperor of Nicaea renowned for restoring stability, economic prosperity, and military strength to the exiled Byzantine state.
• E. John II Komnenos
  John II Komnenos was a 12th-century Byzantine emperor known for his effective military campaigns, administrative reforms, and efforts to restore the strength and territory of the Byzantine Empire.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Isaac II Angelos
Target entity description: Isaac II Angelos was a Byzantine emperor of the late 12th century whose turbulent reign was marked by internal strife, heavy taxation, and the empire’s growing vulnerability leading up to the Fourth Crusade.

• A. Alexios IV Angelos
  Alexios IV Angelos was a Byzantine emperor whose alliance with the leaders of the Fourth Crusade led to the crusaders’ intervention in Constantinople and the eventual sack of the city in 1204.
• B. Alexios III Komnenos
  Alexios III Komnenos was a Byzantine emperor of Trebizond from the 14th century, known for consolidating his realm along the Black Sea coast and patronizing Orthodox monastic institutions.
• C. Byzantine Emperor Alexios III Angelos
  Byzantine Emperor Alexios III Angelos was a late 12th- to early 13th-century ruler of the Byzantine Empire whose weak leadership and mismanagement contributed to the empire’s decline and the events leading up to the Fourth Crusade.
• D. John III Doukas Vatatzes
  John III Doukas Vatatzes was a 13th-century Byzantine emperor of Nicaea renowned for restoring stability, economic prosperity, and military strength to the exiled Byzantine state.
• E. John II Komnenos
  John II Komnenos was a 12th-century Byzantine emperor known for his effective military campaigns, administrative reforms, and efforts to restore the strength and territory of the Byzantine Empire.
• F. None of above. chosen