Did Caitlyn Jenner just reveal a big secret about daughter Kylie Jenner? The former Olympian recently appeared on Piers Morgan’s Life Stories, and talked candidly about her transition. When asked whether she’d ever date again, the 68-year-old answered it’s not in the cards for her following three marriages. After explaining that her life is “very busy,” she proceeded to tell Piers about her grandchildren — but viewers were quick to note that something didn’t add up.

Caitlyn stumbled when discussing her number of grandchildren, perhaps unsure over which total she should reveal. “I’ve got 12…13 grandchildren,” she said. However, if you count the reality star’s known grandchildren, she seemingly only has 11.

From Caitlyn’s first marriage to Chrystie Scott, their daughter Cassandra has three children, while their son Burt has one child. The transgender advocate’s son Brandon from her second marriage also has one child.

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Then, we get into the brood Caitlyn inherited through her marriage to Kris Jenner. Kourtney Kardashian has three children (Mason, Penelope, and Reign), while Kim Kardashian is mom to North and Saint. Rob Kardashian also has a child with Blac Chyna.

Could Caitlyn be hinting that another Kardashian/Jenner has given birth? This would support fans’ theories that Kylie already welcomed her first child with boyfriend Travis Scott.

Or perhaps Caitlyn’s referring to Kim’s third child — whom she’s expecting via surrogate — and she might be looping in Khloé’s too, though the 33-year-old recently revealed she still has three months to go. This family loves to keep us guessing, don’t they?

In other Kardashian baby news, Khloé revealed the name she’ll give her baby if it’s a boy. During an appearance on The Ellen DeGeneres Show, the blonde beauty announced that if her firstborn is a son, he’ll be called Tristan Jr. after his father, but that she hasn’t settled on a girl’s name yet.

This post was written by Ruby Norris. It originally appeared on our sister site, heat world.