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Monsters of Rome: do emperors such as Nero and Caligula deserve their reputations?
Suetonius’s Lives of the Caesars, a key source for the early Roman emperors, has been translated by historian Tom Holland. He reveals what insights it yields into these titans of ancient history
- Rob Attar
Published: October 19, 2026 at 6:30 PM
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Rob Attar: Could you please begin by introducing Suetonius and his best-known work, The Lives of the Caesars?
Tom Holland: Suetonius is probably the most famous of all the ancient biographers. He was secretary to the emperor Hadrian, so was right at the heart of imperial power. He’d also worked as an archivist and librarian in the imperial palace, and therefore had access to all kinds of historical documents.
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He drew on these to write [in around AD 121] the biographies of the rulers who had come to be known as the 12 Caesars: the 11 emperors from Augustus to Domitian and, before them all, Julius Caesar – the adoptive father of Augustus. The Lives has had a massive influence on how people understand the Roman empire.
Of all ancient classical texts, this is probably also the most influential on modern culture. It inspired Robert Graves, who would later translate the Lives for Penguin Classics, to write I, Claudius (1934) and Claudius the God (1935), which were then adapted into the celebrated 1976 BBC drama series [starring Derek Jacobi].
And that series inspired all kinds of US dramas, ranging from Dynasty in the 1980s, to The Sopranos in the 1990s and 2000s, and Game of Thrones in the 2010s. You could say that Suetonius is the godfather of the murderous dynastic drama.
As a historian yourself, do you consider that Suetonius was doing something similar to what you do today?
It’s important to say that Suetonius wasn’t actually a historian – he was a biographer. He was not aiming to do what Tacitus, his great contemporary, was doing – creating a record of the whole sweep of Roman history.
But of course, because the emperors are so important to our understanding of how the Roman world operated, his work does offer a sense of the Roman empire in the first century BC and the first century AD. That was a period of convulsive change: the Republic collapsed, Augustus established an autocracy, and then there was a process of evolution over the first century AD.
After Augustus died in AD 14, Rome was ruled by his family – the emperors Tiberius, Caligula, Claudius and Nero – after which that family went extinct. There was then a murderous bout of civil war in AD 69, notorious as the ‘Year of the Four Emperors’ – Galba, Otho, Vitellius and Vespasian – whose lives were among the 12 related by Suetonius. Vespasian, who established his own dynasty, was succeeded by his eldest son, Titus, who was then followed by his younger brother, Domitian. The lives of those three emperors are covered by Suetonius as well.
Augustus is glorified on an ancient cameo. “He was probably the most remarkable political operator in western history,” says Tom Holland | Credit: Getty Images
What approach did Suetonius take to writing these biographies?
His range seems to have been very extensive. From surviving fragments of his other works, we get a sense that he was interested in what today we might call social anthropology: customs, habits, the things that people do. Aside from his biographies of the Caesars, he wrote a collection of the lives of the great courtesans – and sex is also an obvious theme that runs throughout The Lives of the Caesars.
But he also wrote about children’s games, and about the insults that people give one another. He wrote about clothing, and about all kinds of aspects of social life – and these in turn informed his portraits of the emperors. He wrote about what they did as children, their appearance, their sexual habits. For Suetonius, this provided windows onto their characters and the way that their reigns were shaped. It enabled him to situate the emperors more clearly in the social, political and cultural context of the world that they ruled.
Why and how did you go about translating The Lives of the Caesars?
I was asked to do it because it was felt that the translation done by Robert Graves many decades ago was a bit old fashioned. There are certain problems, I think, with his work.
One strange choice he made was that, instead of using Roman military terms such as centurion or tribune, he gave characters titles such as ‘sergeant major’ or ‘colonel’ or whatever. That’s perhaps unsurprising, because Graves fought in the First World War, but it gives his text a slightly postwar, 1930s flavour. I’m sure that in maybe 60 or 70 years, my translation will seem very 2020s, but I hope that I’ve been truer to the Latin text than Graves was.
One other stylistic quirk of Suetonius’s I noticed was that, when writing about an individual emperor, he almost never mentioned them by name – it’s always “he” did this, “he” did that. Suetonius might introduce, say, Augustus by name at the beginning of that Life, but, from that point on, it is assumed that any third person verb will be referring to Augustus.
And the effect is very powerful. By not drawing attention to the emperor’s name, it becomes kind of omnipresent: this emperor is so significant that you don’t even need to name him – everything is revolving around him. I hope that, even in English, the reader will find this stylistic effect striking.
A marble bust of Caligula. The sexual abuse to which he subjected senators and their wives was intended to demonstrate his mastery over them, says Tom Holland | Credit: Getty Images
Did you have to make any difficult decisions when translating the text?
Purely in terms of how to render Latin – and, indeed, Greek, because there’s quite a lot of Greek in the Lives, too – the huge problem is always puns. Meaningfully translating Suetonius’s linguistic puns is always a challenge. One of them revolves around oral sex, and that touches on another, slightly more moral problem: there are passages within Suetonius that are shocking. And these passages have always been shocking.
There’s a tradition that, in the 15th century, Gilles de Rais – a Frenchman fighting the English during the Hundred Years’ War – was seduced into becoming a child killer by reading Suetonius. The Marquis de Sade reputedly owned a copy of the Lives. Then, in the Victorian period, school copies featured large chunks that were just replaced with asterisks.
Even though today, in the 21st century, we might pride ourselves on being more permissive and less easily shocked, the fact remains that there are repellent passages. The question of what to do with them was a moral consideration, but in the end I decided that I wanted to give as accurate and complete a rendering of Suetonius’s language as I could.
On that point, the Lives features some truly remarkable stories about some of the emperors’ debauched behaviour. How seriously can we take these?
I would like to focus on two of those emperors, because in some ways their reputations for debauchery reflect very different Roman cultural traditions. The first of these was Tiberius. Near the end of his life, when he was about 70, he retired to the island of Capri.
Suetonius gives us completely shocking details of what Tiberius is supposed to have got up to there: child sex, brothels, all kinds of things. Tiberius was then succeeded by Caligula – perhaps the most notorious of all of the Caesars. Rather than retiring to a private island, Caligula staged his sexual depravities on the most public of stages, according to Suetonius.
The temptation is to take these accounts absolutely at face value: to assume that Tiberius was a hideous pervert, and that Caligula was such a sexual terrorist that he was in fact insane. But I think there are different layers in how you can respond to these stories. One of these is to recognise that the Roman understanding of what was shocking and scandalous about sexual behaviour is not the same as ours.
Let’s think about Tiberius. He was the emperor – and an emperor should not retire. The only conceivable reason, in a Roman’s opinion, for doing that was because the person doing it was an absolute pervert.
So you can see why Tiberius’s retirement was framed by people hostile to him as reflecting his desire to do disgusting things that he couldn’t do while he was in Rome leading a public life. The fact that Tiberius was a very old man, and that statesmen who had attained a certain age were entitled to a dignified retirement, was ignored – because Tiberius was emperor, and shouldn’t have done it.
Rather than retiring to a private island, Caligula staged his sexual depravities on the most public of stages
As for Caligula, he was taking to the public stage and rubbing the noses of his enemies in the Senate in the fact of their impotence. Both Augustus and Tiberius had shown the Senate respect, but Caligula had a different strategy. He wanted to demonstrate that he was the master, and that the senators were a bunch of lickspittles, nobodies. I think that the sexual abuse to which he submitted senators – and, notably, their wives – was a way of making that point.
That was very brutal and shocking, and why Caligula became such a notorious figure, but there was perhaps an element of strategic thinking that Suetonius didn’t acknowledge. Caligula clearly wasn’t a liberal – he wasn’t Justin Trudeau – but there was probably method behind the seeming madness.
This is part of the fascination of studying the lives of these emperors. There’s the shock appeal of the stories, and there’s the fascination of working out exactly how and why Roman attitudes to sexuality were different from ours. And then there’s the possible political context that was unspoken and unacknowledged by Suetonius, but which might nevertheless explain what is going on.
A first-century-AD wall painting from Pompeii, showing a family banquet. Some aspects of Roman life are familiar, but others seem completely alien to us | Credit: Getty Images
Was something similar happening with Nero, who was another really notorious figure of this time? Did he get an unfairly bad press from Suetonius?
No, because Nero brought it on himself. And, as with Caligula, I think it was a deliberate political strategy. There were really two traditions in Roman politics that the emperors inherited from the age of the Republic. There was the traditionalist approach, showing respect for the traditions of the state and traditional elites.
And then there were populares – leaders who looked over the heads of the traditional elites to appeal to the masses of the people. Augustus, Tiberius and Claudius were all essentially traditionalist in their approach, whereas Caligula and Nero were both populares. They scorned the Senate and wanted to make themselves the darlings of the people.
Because they were emperors, they had opportunities to do that in ways that, in the Republic, not even the most flamboyant nobleman would have had. And I think that’s what Nero was doing. He was clearly the most tremendous showman in a way that was calculated to be shocking to his senators. Emperors were not meant to tread the boards on stage. They were not meant to play musical instruments. They were not meant to compete in the Olympics.
But Nero did all that – and he did it sufficiently well that people quite admired it. It’s as though a US president were to star in an Oscar-winning film, headline Glastonbury, or win a race in Formula 1.
And even with the most shocking crime of his reign, the murder of his own mother, Nero very pointedly didn’t try to disguise it. Instead, he drew attention to it – and I think that’s because murdering your mother was the kind of thing that a hero would do in a Greek tragedy. Nero was casting himself as literally being ‘Augustus’, someone midway between heaven and earth. He was essentially presenting himself to the Roman people, and the world beyond, as a figure from myth – as a throwback to the ancient days of someone like the notorious matricide Orestes.
This policy undoubtedly caused collateral damage, and explains why Nero’s reputation was so bad in the wake of his death. And Suetonius was clearly drawing on those traditions. After all, Suetonius was working for an imperial system founded on the ruins of Nero’s reputation and career, so there was nothing for him in trying to redeem Nero’s reputation. Again, I think – as with Caligula and Tiberius – Suetonius’s portrait of Nero gives the historian enough clues to enable them to work out what Nero was doing, what he was up to. But you’ve got to read between the lines.
In your introduction, you suggest that these rulers are both familiar and strange to us at the same time. Could you elaborate on that point?
I think they’re familiar to us because Suetonius’s biographies give us details about these individual emperors to a degree that we simply do not have for comparable imperial figures from Near Eastern and Mediterranean ancient history. Think of the pharaohs, or the kings of Assyria or Babylon or Persia: these were autocrats ruling empires and civilisations that were just as sophisticated as the Roman empire. Compared with the portraits we have of Augustus or Nero, however, they seem anonymous.
The whole point of royal iconography in Egypt or Persia was to anonymise the pharaoh or the great king. Thanks to Suetonius, though, we know how the emperors had sex, how they went to the toilet, what they looked like, the hairstyles they wore, their bodily blemishes, and so on. We know the most intimate details about them – and that makes them seem vivid and alive and familiar to us in a way that is fairly unique in ancient history. It explains, I think, why imperial Rome tends to fascinate the general public in a way that other civilisations don’t.
Thanks to Suetonius, we know how the emperors had sex, how they went to the toilet, how they wore their hair
At the same time, I hope you will get a sense from what I’ve been saying that ancient Rome was a very alien civilisation. The codes of behaviour that governed not just the emperors but also Romans generally were very remote from ours.
And it’s that strange blend of the familiar and the weird that I think explains why Rome is so fascinating. There’s a kind of science-fiction quality to it. If you think of science fiction as being a mixture of what is familiar to us with worlds that are utterly alien, then that is what ancient Rome gives us.
Nero, depicted with the corpse of his mother, Agrippina the Younger, after he’d reputedly ordered her murder. The emperor drew attention to his role in the crime, says Tom Holland – and, in doing so, cast himself as a figure from myth | Credit: Getty Images
Of all of the weird and wonderful stories within this book, are there any that particularly stood out for you?
One of the things that becomes very evident when you read the biographies in their entirety is that, even as Suetonius was clearly getting stuck into archives, he was also situating the stories in a dimension in which the supernatural was very vivid.
One of the most dramatic and celebrated moments in Suetonius’s Lives is Julius Caesar’s famous crossing of the Rubicon [the river that marked the boundary of the area controlled directly by Rome]. Caesar sent his legions ahead of him, then travelled in secret through the night from Ravenna up to the frontier. He stood on the bank. He hesitated. And then, Suetonius tells us, a great ghostly figure snatched a trumpet and blew it. This served as the signal to Caesar that he should cross the river.
The dice were thrown. The Rubicon was crossed. History changed – and the fact that there is this weird supernatural element, and it’s introduced exactly as though Suetonius is describing something completely everyday, is often written out of the story. For instance, I did not include that in my earlier account of the crossing of the Rubicon, but looking back at it now, perhaps I should have done.
Throughout all of these stories, there is a sense that what was happening was being governed by fate – that the gods were always watching down, and that it was possible for mortals who could read these signs correctly to intuit what was going to happen. This is a really important part of the universe that Suetonius has bequeathed us.
If, through some miracle of technology, you could interview one of the 12 Caesars on your podcast The Rest Is History, who would you choose?
Julius Caesar – simply because his combination of an extraordinary life and piercing, ruthless intelligence would make him incomparably the most interesting guest to interview. I think, though, for my own selfish purposes – for wanting to understand how the Roman world ticked and how the course of Roman history was changed – I would choose Augustus. He was probably the most remarkable political operator, not just in Rome but in the whole of western history – maybe even world history.
- Read more | Who are the most underrated Roman emperors?
Tom Holland is a historian, author and broadcaster who co-hosts The Rest Is History podcast with Dominic Sandbrook. His translation of The Lives of the Caesars was published by Penguin Classics in 2025.
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This article was first published in the March 2025 issue of BBC History Magazine
Authors
Rob AttarHead of content and editor of HistoryExtra magazine
Rob Attar is head of content and editor of HistoryExtra magazine
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