The Penates are named after a cupboard. Penus is the Latin word for the household's stores — the food, the oil, the wine, the salt kept in the innermost part of the house — and the di penates are the powers of that store, of the family's continued ability to feed itself. The related adjective gives penetralia, the inner rooms, and behind that the verb English took as penetrate.
They are, in other words, not a named pair of gods with characters and stories. They are the divine aspect of the larder, and Roman families did not need to know which gods they were in order to make the offering.
They travel
This is the property that distinguishes them sharply from the Lares, which belong to a place. The Penates go with the family. A Roman household moving house took its Penates with it; a colony founded from Rome carried them out; the phrase for leaving home permanently involves them.
That portability is exactly why they became a national story. When Troy burns in the second book of the Aeneid, Aeneas cannot carry the city, but he can carry the gods of its store: Hector's ghost hands them to him, and he leaves with his father on his shoulders and the sacred objects in his hands, because Anchises has told him the gods must not be touched by a man fresh from battle and unwashed. The state gods of Rome, on this account, are refugee luggage.
The public Penates, and a real annual obligation
Rome maintained Penates Publici, the household gods of the state considered as one enormous household — and they were kept at Lavinium, the town Aeneas was said to have founded, not in Rome.
The consequence was concrete. Roman magistrates, on entering and leaving office and before departing for a province, travelled to Lavinium to sacrifice to the Penates and to Vesta. That obligation was still being honoured in the imperial period, long after Lavinium itself had become a small place of no economic importance, and the town retained officials whose titles preserved the connection.
Roman tradition also insisted that the objects had tried more than once to return there. When they were moved to Alba Longa, they are said to have found their own way back to Lavinium overnight — twice. Whatever that story is doing, it is doing it on behalf of a town defending a religious privilege against a bigger neighbour.
What was in the box
Nobody outside the priesthood knew, and Roman writers report competing claims with visible discomfort.
- One tradition, going back to the annalist Cassius Hemina and repeated by others, identified the Penates with the Great Gods of Samothrace, brought west by Dardanus — an attempt to give them a prestigious Aegean pedigree.
- Another held that they were two seated youths with spears, and small statue groups of that type were pointed to as their images.
- Dionysius of Halicarnassus, writing in Rome under Augustus, reports what people said the objects at Lavinium looked like, and hedges carefully about his sources.
- A further strand simply refused to identify them, treating "Penates" as a functional plural covering whichever gods a given household or state kept in its inner shrine — an interpretation that also explains why Vesta, Jupiter and others are sometimes listed among them.
The uncertainty was structural rather than accidental. These were objects whose power depended on not being examined, and the same logic guarded the Palladium in Vesta's storeroom.
Lavinium is a real site
The town is not merely literary. At Pratica di Mare, south of Rome, archaeologists working from the 1950s onwards found a whole archaic cult landscape: a line of thirteen monumental altars, several of them still bearing traces of their dedications, and a separate precinct that produced a large deposit of votive terracottas from a goddess's sanctuary. A burial mound on the same ground was rebuilt as a hero-shrine several centuries after the original interment, and Romans identified it with Aeneas.
So a place that Roman magistrates visited because of a Trojan story turns out to have been a major cult centre for the Latin communities centuries before Rome could compel anyone to go anywhere. The story grew around a sanctuary that was already important, which is generally how these things happen.
What the household did with them
Domestic practice was undemanding and constant. A portion of the meal was offered to them, the salt-cellar and the offering dish stood on the table as their equipment, and their images could share a shrine with the Lares and the master's Genius — which is why the two categories blur in modern accounts. The distinction that survives in the language is that you salute the Lares of a house and take your Penates with you.
The idiom that outlived the religion
"Lares and Penates" entered English in the sixteenth century and is still current as a slightly literary phrase for one's household goods, the accumulated possessions that make somewhere home. It is one of the very few Roman religious terms to survive as a working English idiom rather than as a technical term, and the meaning shifted almost perfectly: from the gods of the store cupboard to the contents of the removal van.
The phrase domus et penates, home and hearth, does the same work in Latin, and Cicero uses the Penates in his speeches exactly as a modern politician uses "families and homes" — the thing an enemy threatens and the state exists to defend.
Questions about the Penates
Were they the same as the Manes?
No. The Manes are the dead — the collective spirits of departed family members, honoured at their tombs during the Parentalia in February, and addressed on the vast majority of Roman gravestones as Dis Manibus. The Penates have no connection with the dead. Roman domestic religion kept three distinct registers: the dead at the tomb, the household powers at the shrine, and the living head of the family's own Genius.
Why did Rome keep its state Penates in another town?
Because the claim being made was one of descent: Rome held that its own foundations came through Lavinium and Alba Longa from Troy, and that the objects belonged where Aeneas had put them. Moving them to Rome would have severed the chain the story existed to assert. Some traditions do place a set of Penates in the Regia or near Vesta's temple in Rome as well, and the two claims coexisted without resolution.
Do any images of them survive?
Coins of the Republic show paired seated male figures, sometimes labelled, and small bronzes of two youths with spears have been identified with them on that basis. The identifications are conventional rather than certain, and the ancient refusal to specify what the objects were makes any confident modern iconography suspect.
Is the salt-cellar detail real?
Yes, and it is a good marker of how domestic and how modest this cult was. The salinum, a small salt dish, often of silver in a comfortable household and inherited across generations, appears with the offering plate as the Penates' proper equipment at the table. Horace uses the inherited salt-cellar as an image of contented sufficiency, which suggests the association was universally recognisable.