Khloe Kardashian joked that when her son Tatum was born, she had his father, Tristan Thompson, take three paternity tests.

"And my son looks exactly like my brother, and he's one of my favorite people," the Good American founder explained on the SHE MD podcast. [And my dad, my dad passed away, and my son, my son is like a year and a half old, he's a cynic, my dad was really dry and silly and just had a crazy sense of humor. I love it."

When one of the podcast hosts, Dr. Tais Aliabadi, Khloe's OB/GYN, claimed that Tatum is more like Rob than Robert Kardashian, KoKo agreed.

"He was either an IVF baby or a surrogate, so I said, 'Rob, have you donated sperm anywhere?

The second podcast co-host joked that Tatum might "accidentally" be Rob's child, to which Khloe replied, "With this family, it wouldn't surprise me. But that would be so disgusting. But I just remember, she was like, 'You already did the DNA test,' and I was like, 'I have to do another one. I need to figure it out.'"

The Kardashian star shares a son, Tatum, born in 2022, and a daughter, True, born in 2018, with ex Tristan Thompson.

Days after the exes underwent an embryo transfer to have a second child through surrogacy, Khloe learned that the NBA pro was having an affair (something that had happened before) and was being sued for child support by a woman named Maralee Nichols.

Since then, the two have become good friends and co-parents, but reportedly will not get back together.