Robert I of Courtenay

Robert of Courtenay (1201–1228) was Latin emperor of Constantinople from 1221 until his death, a younger son of Peter II of Courtenay and Yolanda of Flanders. After his brother renounced the claim, he was crowned on 25 March 1221.

His reign brought defeat: Thessalonica fell to Theodore Komnenos Doukas of Epirus in 1224, and John III Vatatzes of Nicaea beat him at Poimanenos the same year. A Burgundian conspiracy drove him from Constantinople; he fled to Rome and died in the Morea early in 1228.