Nestorianus

Nestorianus (Greek: , Nestorianos) was a Greek historian who wrote a chronicle that covered the Roman Empire down to 474. It is considered lost and is known only through its use by John Malalas and the anonymous author of the Chronicon Paschale.

Nestorianus may have been personally known to Malalas, who calls him a "chronographer". The information that Malalas cites to Nestorianus' chronicle mainly concerns the "reign lengths, ages and modes of death of emperors." It may have been little more than a detailed list of emperors. Still, it has been argued that Nestorianus was the source for Malalas' early Christian history, including the date of the ascension of Jesus (AD 31). It is unclear if the chronicle began with Creation or with the Roman Empire. From that point on in his own work, Malalas no longer provides descriptions of the emperors' appearance, which suggests that he may have taken these from the work of Nestorianus.