Keep up with Kris Jenner's 10 grandchildren - Mason, Penelope, North, Reign, Saint, Chicago, Stormi, True, Dream

With the news of the birth of Kim Kardashian and Kanye West fourth baby -- a boy! -- Kris Jenner is officially a grandmother of 10. 

Kris is the mother of six children from two marriages -- Robert G. Kardashian and Bruce Jenner (now Caitlyn). Kris and her late ex-husband, Robert, had Kourtney, Kim, Khloe and Rob Kardashian. Caitlyn shares Kendall and Kylie Jenner with Kris.

Kourtney surprised Kris on Friday's episode of "The Ellen DeGeneres Show," where she came out with her own kids and Kim's because Kim was at the hospital with her surrogate, who'd gone into labor. The segment went viral thanks to Kourtney's youngest son's hilarious and candid moments. 

Ahead, we're breaking down everything you need to know about the Kardashian-Jenner matriarch's 10 grandkids. Can you keep up?

Mason Dash Disick, 9

Mason is the oldest grandchild of Kourtney Kardashian and Scott Disick. He was born on December, 14, 2009. Kourtney famously pulled out her own son during labor. Relive the moment here.

Penelope Scotland Disick, 6

Penelope is Kourtney and Scot's second old child. She was born on July, 8, 2012. Kourtney named her lifestyle brand after Penelope's nickname, Poosh.

North West, 5

North is the oldest of Kim Kardashian and Kanye West's four children. She was born on June 15, 2013. At just 5-years-old, she's already graced the cover of WWD. "Whether she knows it or not, is at the forefront of a generation that is highly connected," the outlet wrote.

Reign Aston Disick, 4

Saint is youngest child of Kourtney and Scott. He was born on December 14, 2014. Yup! He and his older brother, Mason, share a birthday!

Saint West, 3

Saint West is Kim and Kanye's first boy. He was born on December 5, 2016 via surrogacy after doctors told Kim she can no longer carry children due to a high-risk condition called placenta accreta.

Dream Kardashian, 3

Dream is Rob Kardashian (Kris' youngest son) first child who he shares with Blac Chyna. She was born on November 10, 2016. The couple is separated after going through a slew of public differences.

Chicago West, 1

Chicago is Kim and Kanye's youngest girl. She was born on January 15th, 2018. She was named after the city her dad grew up in and is usually referred to as 'Chi.'

True Thompson, 1

True is Khloe Kardashian's first born, who she shared with her ex-boyfriend and NBA star Tristan Thompson. she was born in April 2019.

___ West 

Kim Kardashian and announced the birth of fourth child on May 6th. We are still awaiting the name! Kim took to Twitter to share "He's here and he's perfect!" "He’s also Chicago’s twin lol I’m sure he will change a lot but now he looks just like her," she added.

35 PHOTOS
Penelope Disick over the years
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Penelope Disick over the years
LOS ANGELES, CA - DECEMBER 16: Kim Kardashian and Penelope Disick are seen on December 16, 2013 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
LOS ANGELES, CA - DECEMBER 16: Kim Kardashian is seen carrying her niece, Penelope Disick on December 16, 2013 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
LOS ANGELES, CA - AUGUST 01: Kourtney Kardashian, Penelope Disick and Scott Disick are seen on August 1, 2013 in Los Angeles, California. (Photo by JB Lacroix/WireImage)
LOS ANGELES, CA - AUGUST 01: Kourtney Kardashian and Penelope Disick are seen on August 1, 2013 in Los Angeles, California. (Photo by JB Lacroix/WireImage)
LOS ANGELES, Ca - June 08: Kourtney Kardashian and Penelope Disick are seen on June 08, 2013 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
MIAMI BEACH, FL - DECEMBER 14: Kourtney Kardashian and daughter Penelope Disick is sighted on December 14, 2012 in Miami Beach, Florida. (Photo by Olivia Salazar/FilmMagic)
MIAMI, FL - JULY 02: Kourtney Kardashian makes a splash in a plunging black swimsuit as she hits the beach with daughter Penelope Disick on July 2, 2016 in Miami, Florida. PHOTOGRAPH BY Barcroft Images London-T:+44 207 033 1031 E:hello@barcroftmedia.com - New York-T:+1 212 796 2458 E:hello@barcroftusa.com - New Delhi-T:+91 11 4053 2429 E:hello@barcroftindia.com www.barcroftimages.com (Photo credit should read Barcroft Images / Barcroft Media via Getty Images)
NEW YORK, NY - SEPTEMBER 11: (EXCLUSIVE COVERAGE) Kourtney Kardashian, Mason Disick, North West and Penelope Disick pose backstage with the cast at 'Cats' on Broadway at The Neil Simon Theatre on September 11, 2016 in New York City. (Photo by Bruce Glikas/Bruce Glikas/Getty Images)
MIAMI BEACH - JUNE 11: Hailey Baldwin seen on the beach with Penelope Disick (C) on June 11, 2017 in Miami, Florida. (Photo by MTMI/BuzzFoto via Getty Images)
NEW YORK, NY - SEPTEMBER 29: Kim Kardashian, North West and Penelope Disick seen leaving a restaurant in SoHo on September 29, 2018 in New York City. (Photo by Robert Kamau/GC Images)
CHATSWORTH, CA - MARCH 09: (L-R) Kendall Jenner, Kourtney Kardashian, daughter Penelope Disick and Larsa Younan watch courtside as Sierra Canyon plays Foothills Christian for the CIF Open Division Playoffs at Sierra Canyon High School on March 9, 2018 in Chatsworth, California. (Photo by Cassy Athena/Getty Images)
CHATSWORTH, CA - MARCH 09: (L-R) Kourtney Kardashian and daughter Penelope Disick attend as Sierra Canyon plays Foothills Christian for the CIF Open Division Playoffs on March 9, 2018 in Chatsworth, California. (Photo by Cassy Athena/Getty Images)
LOS ANGELES, CA - FEBRUARY 04: Kourtney Kardashian and her daughter Penelope are seen in Los Angeles International Airport on February 04, 2018 in Los Angeles, California. (Photo by starzfly/Bauer-Griffin/GC Images)
NEW YORK, NY - FEBRUARY 04: Penelope Disick is seen in central Park on February 4, 2018 in New York City. (Photo by Pierre Suu/GC Images)
NEW YORK, NY - FEBRUARY 04: Kourtney Kardashian is seen ice skating with her daughter Penelope in central Park on February 4, 2018 in New York City. (Photo by Pierre Suu/GC Images)
NEW YORK, NY - FEBRUARY 04: Kourtney Kardashian is seen ice skating with her daughter Penelope in central Park on February 4, 2018 in New York City. (Photo by Pierre Suu/GC Images)
NEW YORK, NY - FEBRUARY 04: Kourtney Kardashian is seen ice skating with her daughter Penelope in central Park on February 4, 2018 in New York City. (Photo by Pierre Suu/GC Images)
Happy Saturday y’all 🥰❤️ #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poska #poosh #penny
P created her own secret Instagram & Kourtney deleted it 😫 Look how cute she looks! 💕 #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh #penny
P loves her slime 🧪🧿💕 #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh #penny #scottdisick
A little throwback ❤️ #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #p #nelly #northwest #noriwest
RP: @letthelordbewithyou “My Angel 😇” #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh
P loving her puppies 🐶🐶 #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh
P via @letthelordbewithyou IG story ❤️ Happy Thanksgiving to any of my Canadian followers 🦃🥧👨‍👩‍👧 #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh #scottdisick
Where did our little girl go 😭💙 #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh #penny
These cuties 😍💙 #kimkardashian #kimkardashianwest #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh #penny #northwest #noriwest
Penelope out for lunch with Kourtney 🍝 #kourtneykardashian #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh #penny
Happy Hump Day y’all 🐫❤️ #penelopekardashian #kourtneykardashian #penelopekardashian #p #nelly #poshka #poosh #penny
She can have her cake & eat it too 💁🏼‍♀️🍰💕 #penelopedisick #penelopescotlanddisick #kourtneykardashian #p #nelly #poshka #poosh #penny
Happy Sunday everyone 🐰💕 #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh #penny
It’s our girls birthday today!!! 🎂🎉💖 #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh
Birthday mood 6️⃣🎂🎉💖 #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh #penny #penelopeis6
I’m so happy Koko finally got her baby girl 👶🏽💕🎀 #khloekardashian #babykardashian #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh #penny
I can’t wait to see Penelope & North with Kylie & Khloé’s babies soon 👶🏽👶🏽 #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh #penny #northwest #noriwest #dreamkardashian #dreamreneekardashian
Omg 😍❤️ #penelopedisick #penelopescotlanddisick #penelopekardashian #p #nelly #poshka #poosh #penny
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