Hogwarts Legacy introduced players to Ominis Gaunt—a blind, pure-blood Slytherin who rejects the dark arts despite his infamous family name. Now, fans are piecing together a shocking connection: Ominis may actually be Voldemort’s great-uncle. While not officially confirmed by J.K. Rowling, the evidence is compelling, adding a fascinating layer to his character.

Who Is Ominis Gaunt? A Noble Slytherin Unlike the Others
Set over a century before Harry Potter, Hogwarts Legacy follows Ominis Gaunt—a member of the pure-blood Gaunt family, known for their ties to Salazar Slytherin and the dark arts. Unlike his relatives, Ominis vehemently opposes dark magic, a stance shaped by his traumatic childhood. His family tortured him with the Cruciatus Curse, leaving him blind and disillusioned with their cruel ideology.
Despite his lineage, Ominis is compassionate, often clashing with his friend Sebastian Sallow over the use of forbidden magic. His moral compass makes him one of the game’s most compelling characters—and now, his potential relation to Voldemort makes him even more intriguing.
The Gaunt Family Connection: Is Ominis Voldemort’s Great-Uncle?
Fans on r/HarryPotterGame recently sparked a theory: Ominis shares his last name with Marvolo Gaunt, Voldemort’s grandfather. Given their similar ages in the timeline, many believe:
- Ominis and Marvolo were brothers or close cousins
- Marvolo may have participated in Ominis’ torture as a child
- This would make Ominis Voldemort’s great-uncle
User Faierie1 noted:
“The Wizarding World is small enough that you can assume anyone who shares the same last name and is from the same area is related.”
While unconfirmed, the theory fits neatly into Harry Potter lore, where family legacies loom large.
Nature vs. Nurture: How Ominis Defies Slytherin Stereotypes
The Gaunts were notorious for their cruelty, yet Ominis actively resists his family’s dark legacy. This contrast highlights a key theme:
- Not all Slytherins are evil—Ominis proves morality isn’t tied to bloodline
- Trauma shaped his beliefs—his suffering made him reject dark magic
- A quiet redemption—unlike Voldemort, Ominis reportedly lived a peaceful life
User raalic summed it up:
“This fact makes him extra interesting, given his alignment versus that of his great-nephew.”
His story is a powerful counterpoint to Voldemort’s path—proof that choices, not destiny, define a wizard.
Why This Theory Matters for Hogwarts Legacy Lore
If true, Ominis’ relation to Voldemort would:
- Deepen the Gaunt family’s tragic history
- Add irony to Voldemort’s blood-purist ideology (his own kin rejected it)
- Foreshadow the rise of dark wizards like Tom Riddle
It also raises questions: Did Ominis know about his dark descendant? Could he have tried to stop him? While Hogwarts Legacy doesn’t answer these, the implications are thrilling for fans.
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A Hidden Gem in Wizarding History
Ominis Gaunt is already a fan favorite, but his potential ties to Voldemort make him even more compelling. Whether as a cautionary tale or a symbol of redemption, his story enriches the Harry Potter universe—proving that even in Slytherin, greatness isn’t always dark.
Do you believe Ominis is Voldemort’s great-uncle? Share your thoughts below!