Why Suetonius’s The Twelve Caesars is both a vital historical record and scandalous gossip

Art · Published 3 October 2026 Swipe more like this →

In short: Written in 121 AD, The Twelve Caesars remains a primary source for Roman history, yet it is famously riddled with hearsay and sensationalism. Suetonius, a secretary to Emperor Hadrian, prioritized personal habits and scandalous rumors over objective record-keeping, leaving modern scholars to sift through his biases for the truth.

Gaius Suetonius Tranquillus composed his famous set of twelve biographies while serving as personal secretary to Emperor Hadrian. Dedicated to his friend, the praetorian prefect Gaius Septicius Clarus, the work covers the life of Julius Caesar and the subsequent eleven emperors of the Principate. Because many other contemporary records, such as sections of Tacitus' Annals, have been lost to time, Suetonius remains the definitive source for the lives of emperors like Caligula, Claudius, and Vespasian.

Despite its status as an enduring primary source, the text is frequently criticized for its reliance on gossip and subjective opinion. Suetonius lost access to official archives early in his writing process, forcing him to depend on secondhand accounts. His work is often described as racy and sensationalist, frequently omitting significant political events in favor of intimate, often unflattering, details about the emperors' physical appearances and private lives. For instance, he portrays Claudius as cruel and unintelligent, while attributing Tiberius's reign to depravity and vice, though modern historians often view these emperors as more competent than Suetonius suggests.

The narrative is also heavily colored by Suetonius's personal biases, which often mirrored the Senate's opposition to the princeps. His accounts are peppered with omens, dreams, and dramatic anecdotes, such as the claim that Caesar was assassinated after ignoring a warning document or the assertion that Caligula planned to make his horse consul. While these stories provide a vivid, if sometimes questionable, window into the Roman world, they highlight the author's tendency to prioritize drama over historical rigor. Ultimately, the work serves as a complex blend of valuable biographical data and the subjective, often scandalous, perspective of a writer deeply embedded in the imperial court's culture.

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