For over two decades, one question has haunted the comment sections of every Kardashian-related post: who is Khloe Kardashian’s real father? It's the kind of mystery that never seems to die. Even now, in 2026, you’ll see side-by-side photos of Khloe and various men from her mother’s past popping up on TikTok and Instagram. People love a conspiracy. They love to point out that she’s taller than Kim and Kourtney, or that her hair was naturally curlier and lighter when she was a kid.
But honestly? Most of what you’ve read is just recycled gossip.
The speculation didn’t just come out of nowhere, though. It was fueled by Kris Jenner herself, who admitted in her 2011 memoir that she was unfaithful during her marriage to Robert Kardashian Sr. Once that cat was out of the bag, the internet did what the internet does. It started looking for a biological match.
What Really Happened with Robert Kardashian Sr.
To Khloe, the answer has always been simple. Robert Kardashian Sr. is her real father. He is the man who raised her, the man whose last name she carries, and the man she mourned when he passed away in 2003. According to family friends and legal records, Robert never doubted his paternity—or if he did, he never let it affect his relationship with his daughter.
There’s a common story that Robert’s second wife, Jan Ashley, and his widow, Ellen Pierson, claimed Robert "knew" Khloe wasn't his. They told tabloids that Robert confessed this to them before he died. The Kardashian sisters, however, have spent years calling these women liars looking for a quick payday. It’s a classic "he-said, she-said" scenario where the only person who could settle it is no longer here to speak.
The most compelling evidence for Robert being her biological father actually came recently through Khloe’s own children. In late 2025, Khloe spoke openly about how much her son, Tatum, looks like a "reincarnation" of her father. She even joked on a podcast that Tatum looked so much like her brother, Rob Kardashian, that she made Tristan Thompson take three separate DNA tests just to be sure there wasn't some wild laboratory mix-up.
The results? Everything was exactly as it should be. The family DNA is clearly strong.
The O.J. Simpson and Alex Roldan Rumors
You can’t talk about this topic without mentioning the "suspects." The two names that always come up are O.J. Simpson and Alex Roldan.
- O.J. Simpson: This is the big one. Because Robert Kardashian was on O.J.'s "Dream Team" during the 1995 trial, the families were incredibly close. The rumor mill insists Kris and O.J. had an affair. Before his death in 2024, O.J. addressed this multiple times. He was blunt: "No, I’m not [her father]." He always maintained that he never had a romantic interest in Kris and viewed Robert like a brother.
- Alex Roldan: He was Kris Jenner's hairdresser for years. If you look at photos of him from the 80s, the resemblance to Khloe is... well, it’s definitely there. Even Kylie Jenner once posted a joke photo of the two of them together, calling him Khloe’s dad. But looking like someone isn't a DNA test.
In a recent episode of The Kardashians that aired in late 2025, Kim and Khloe actually joked about the O.J. rumors while looking at their father’s old Bible. They were laughing about it. When you’ve been hearing the same rumor for twenty years, I guess you eventually have to just laugh or you’ll go crazy.
The DNA "Proof"
Wait, so was there ever a test? Sorta.
Back in the early seasons of Keeping Up with the Kardashians, Kris Jenner actually tried to get all her kids to do a DNA test to prove Robert was the father of all of them. Khloe famously refused. Her reasoning was actually pretty solid: she didn't need a piece of paper to tell her who her dad was. To her, the man who changed her diapers and taught her to drive was her father, period.
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However, more recent reports and family segments have suggested that Khloe eventually did some form of genetic testing, perhaps through sites like 23andMe or Ancestry. These tests confirmed her Middle Eastern (Armenian) heritage, which directly aligns with Robert Kardashian’s lineage.
Why the Rumors Still Matter (and Why They Don't)
People get obsessed with this because they want to find "the lie." They want to find a crack in the Kardashian armor. But looking at it from a human perspective, it’s kinda cruel. Khloe lost her father when she was just 19. To have the world constantly tell you that your dead father isn't actually yours is a heavy thing to carry.
The reality is that "real father" is a term that means different things to different people. Biologically, the evidence—from her son’s looks to her own Armenian DNA markers—points squarely at Robert. Emotionally, there was never anyone else in the running.
What We Can Learn from This
If you’re looking for a definitive "gotcha" moment where a secret father steps forward, you’re going to be waiting forever. It isn't happening.
Instead of focusing on the tabloid drama, it’s better to look at how the family has handled it. They’ve moved from being defensive to being humorous about it. It’s a lesson in taking control of your own narrative.
If you want to dive deeper into the family history, the best place is actually Kris Jenner’s autobiography, where she at least owns up to the mistakes that started the rumors in the first place. Just keep in mind that in the world of celebrity, the truth is usually a lot less "scandalous" than the fan theories suggest.
The next time you see a "who is Khloe's dad" conspiracy thread, just remember: DNA might tell one story, but a lifetime of parenting tells another. Khloe has made her peace with both.
Actionable Insight: If you're interested in your own family history, skip the tabloids and try a reputable DNA kit like AncestryDNA or 23andMe. They provide clear breakdowns of ethnic heritage that can help settle family mysteries far more accurately than side-by-side photo comparisons ever could.