Kris JennerandJames Van Der Beekhave 11 children between them — but how well do they remember the day each one of them was born?

That was the gameJames Cordenplayed with his guests on Monday night’s episode ofThe Late Late Show, quizzing first Jenner, 63, then Van Der Beek, 42, on their respective kids’ birthdates.

To start, Corden, 41, held up a collage of all the mother of six’s kids — sonRob Kardashian, 32, plus daughtersKylie Jenner, 22,Kendall Jenner, 23,Khloé Kardashian, 35,Kim Kardashian West, 38, andKourtney Kardashian, 40 — and asked her to rattle off their birthdays, “from oldest to youngest.”

“Okay, Kourtney is April 18th … Kim is October … ” she begins, hesitating and uttering an expletive before getting it: “21st.” Luckily, she nails the rest, to the cheers of the audience — Khloé’s birthday is June 27, while Rob’s is March 17. Kendall turns 24 on Nov. 3, andKylie celebrated her big daythe most recently, on Aug. 10.

“You space them out like a sane person,” Van Der Beek tells Jenner, who points out that “Kourtney and Kimberly were 18 months apart” before she began waiting longer to add to her family: “Then I got smart!”

From L to R: Kourtney Kardashian, Khloé Kardashian, Kim Kardashian West, Kris Jenner and Kendall Jenner.Stefanie Keenan/Getty

Kourtney Kardashian, Khloe Kardashian, Kim Kardashian West, Kris Jenner and Kendall Jenner

The Late Late Show with James Corden

Children’s Birthdate Quiz

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The formerDawson’s Creekheartthrob (who’s set to compete on the upcoming season ofDancing with the Stars, premiering Monday) shares five children with wifeKimberly.

And, like Jenner, he has mostly daughters —Gwendolyn, 14 months,Emilia, 3, Annabel Leah, 5½, andOlivia, 9 this month — and one son: 7-year-oldJoshua.

And despite being “so nervous right now,” Corden teases Van Der Beek, the star gets them all right. However, there wasone time he admits he wasn’t sure abouthis youngest’s birthday without consulting technology.

“Three weeks after Gwendolyn was born, I was on a set and there were all these actresses there and I was talking about my kids and they were like, ‘Oh my God, you must be the best dad!’ I’m like, ‘I love my kids,’ and they’re like, ‘What’s your youngest daughter’s birthday?’ ” he recalls.

James Van Der Beek with his five children.James Van Der Beek/Instagram

James Van Der Beek

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“And I went … ‘It was on a Friday.’ It was the first time anybody had asked me when her birthday was. And I had to take my phone out to figure it out,” Van Der Beek continues with a laugh, looking a little embarrassed.

“I know what you mean because when our youngest,Charlotte, was born, I was over the moon that she was born on the 12th of December,” says Corden who, aside from his 20-month-old, is also dad to daughterCarey, 5 next month, and 8-year-old son Max.

” ‘Cause an hour after [Charlotte] was born, I was like, ’12/12, I can rememberthat,’ ” the host jokes.

source: people.com