The Four: A Deep Dive Into Kourtney Kardashian’s Kids’ Lives, Ages, And Blended Family Dynamic In 2025

Kourtney Kardashian Barker’s life as a mother has always been a central focus of her public narrative, and as of December 2025, she is a proud mom of four, successfully navigating a complex, modern, and high-profile blended family. The newest addition, son Rocky Thirteen Barker, has seamlessly joined his older half-siblings, creating a fascinating dynamic that is often featured on the reality show *The Kardashians*. This article provides the most up-to-date, in-depth look at Kourtney's four children, their current ages, and the evolving family structure that defines their lives today.

The journey from her first child’s birth, Mason Dash Disick, to the arrival of Rocky Thirteen Barker in late 2023, spans over 14 years of reality television history and personal growth. Kourtney, alongside her ex-partner Scott Disick and now husband Travis Barker, has become a prominent example of successful co-parenting and family blending, all while maintaining her unique, health-focused, and natural parenting philosophy, often documented on her lifestyle brand, Poosh.

Kourtney Kardashian’s Children: Full Biography and Current Ages (December 2025)

Kourtney Kardashian has four biological children. She shares her three eldest children with her ex-partner, entrepreneur Scott Disick, and her youngest son with her husband, Blink-182 drummer Travis Barker. Here is a complete breakdown of her kids' profiles and their current ages as of late 2025:

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• Name: Mason Dash Disick
• Parentage: Kourtney Kardashian & Scott Disick
• Date of Birth: December 14, 2009
• Current Age (Dec 2025): 15 years old (Turns 16 on Dec 14)
• Key Facts: He was the first grandchild in the entire Kardashian-Jenner family, with his birth featured prominently on *Keeping Up with the Kardashians*. Mason is known for maintaining a low profile compared to his siblings, often staying off social media.

• Name: Penelope Scotland Disick
• Parentage: Kourtney Kardashian & Scott Disick
• Date of Birth: July 8, 2012
• Current Age (Dec 2025): 13 years old
• Key Facts: Affectionately nicknamed "P," Penelope is Kourtney’s only daughter. She is known for her close bond with her cousin North West, daughter of Kim Kardashian, and has a vibrant personality often shared in short-form videos on social media platforms.

• Name: Reign Aston Disick
• Parentage: Kourtney Kardashian & Scott Disick
• Date of Birth: December 14, 2014
• Current Age (Dec 2025): 10 years old (Turns 11 on Dec 14)
• Key Facts: Reign shares a birthday with his older brother, Mason, five years apart. He is known for his signature long hair (which Kourtney later cut) and his bold, sometimes mischievous, personality captured in family photos and show clips.

• Name: Rocky Thirteen Barker
• Parentage: Kourtney Kardashian Barker & Travis Barker
• Date of Birth: November 1, 2023
• Current Age (Dec 2025): 2 years old
• Key Facts: Rocky is the first child of the "Kravis" marriage, born after Kourtney's public and emotional IVF journey. His unique name, Rocky Thirteen, is a tribute to the rock-and-roll lifestyle of his father, Travis Barker.

Navigating the Blended Family: Kourtney, Scott, and Travis

The most fascinating and widely discussed aspect of Kourtney's current life is the successful navigation of her blended family dynamic. Kourtney and Travis Barker’s marriage created a family of seven children, including Travis’s three children from previous relationships: Landon Barker, Alabama Barker, and stepdaughter Atiana De La Hoya. The process of blending two high-profile families was not without its challenges, which Kourtney herself has admitted, but by 2025, the unit appears cohesive and supportive.

Kourtney has often spoken about the importance of making all the children feel included and loved, regardless of parentage. The children—Mason, Penelope, and Reign—now have four step-siblings and a new baby brother, Rocky, creating a bustling household. The family often shares photos of holidays and milestones together, highlighting the strong bonds that have formed between the Kardashian and Barker children. This modern structure showcases a commitment to prioritizing the children's happiness above all else, a core tenet of Kourtney’s parenting philosophy.

The Co-Parenting Philosophy: Disick and Kardashian’s Secret to Success

A significant factor in the stability of Kourtney’s children’s lives is her long-established, harmonious co-parenting relationship with her ex-partner, Scott Disick. Despite their tumultuous romantic history, the two have publicly committed to maintaining a united front for Mason, Penelope, and Reign. This philosophy has been a major storyline on both *Keeping Up with the Kardashians* and the Hulu series *The Kardashians*.

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Kourtney and Scott have openly discussed their co-parenting strategy, including attending therapy together to improve communication and set healthy boundaries. Their mutual goal is to ensure the children never feel like they have to choose sides. Kourtney has emphasized that she would never let her personal feelings prevent her children from having a relationship with their father, or from celebrating family events together. She even featured a candid discussion about their co-parenting journey on her lifestyle platform, Poosh, providing valuable insight into how they manage scheduling, holidays, and discipline.

The successful blending of the Disick-Kardashian dynamic with the Barker family is a testament to this commitment. Scott Disick remains an active and present father, and the focus remains on ensuring the older children feel secure and loved despite the major changes in their mother's life. This mature approach to family separation and re-formation has been widely praised as a model for modern celebrity co-parenting.

The Future of the Kardashian-Barker Children in the Spotlight

As the children grow older, their relationship with the public spotlight continues to evolve. Mason Dash Disick, the eldest, has largely opted out of the public eye, rarely appearing on the reality show or on social media, a choice Kourtney has respected to protect his privacy. Penelope Scotland Disick and Reign Aston Disick, however, are more visible, often featured in family content and showing off their individual personalities.

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The youngest, Rocky Thirteen Barker, is growing up in a new era of the family's public life, one that is slightly more guarded than the early days of *KUWTK*. Kourtney has always championed a natural, organic, and health-conscious lifestyle for her children, a philosophy that permeates every aspect of their upbringing, from their diet to their education. As the children enter their teenage and pre-teen years in 2025, the focus will undoubtedly shift to balancing their desire for independence with the realities of being part of one of the world's most famous families. Their collective story—from the first grandchild to the newest addition, Rocky—is a powerful narrative about family, love, and the enduring strength of the Kardashian-Jenner dynasty.