Relationships

Who is Kim Kardashian's sister: a clear relationship explainer

Kim Kardashian has five sisters: Kourtney Kardashian, Khloé Kardashian, and Kendall Jenner are full sisters; Kylie Jenner is a half-sister through their mother, Kris Jenner; an...

Mara Ellison
Who is Kim Kardashian's sister: a clear relationship explainer

Kim Kardashian has five sisters: Kourtney Kardashian, Khloé Kardashian, and Kendall Jenner are full sisters; Kylie Jenner is a half-sister through their mother, Kris Jenner; and Rob Kardashian is her only full brother. Several half-sisters from Kris Jenner’s remarriages, including Kendall and Kylie, joined the family in the 1990s. The sisters grew up in Los Angeles and rose to prominence via the reality show Keeping Up with the Kardashians, with each developing distinct careers in media, beauty, and fashion. Below is a detailed breakdown of each sister, their public profiles, dates of public milestones, and how they relate to Kim.

Kourtney Kardashian

Background and public role

Kourtney Mary Kardashian was born April 18, 1979, in Los Angeles, California. She is the eldest sister and co-starred on Keeping Up with the Kardashians. Alongside sisters Khloé and Kim, she co-founded the fashion brand KKW Beauty and co-owns the lifestyle brand DASH. She married Travis Barker in November 2022 and has three children with him.

Relationship to Kim

Kourtney is Kim’s older sister and one of her closest confidantes. The sisters frequently collaborate on business ventures and have maintained a strong bond through family and professional ventures. Their relationship has been a steady fixture in reality television and family coverage.

Khloé Kardashian

Background and public role

Khloé Alexandra Kardashian was born June 27, 1984, in Los Angeles. Known for her reality television presence, she starred on Keeping Up with the Kardashians and later hosted Revenge Body with Khloé Kardashian and appeared on The Masked Singer. In 2021, she became a majority owner of the denim brand Good American and co-owns DASH.

Relationship to Kim

Khloé is Kim’s younger full sister. The pair have frequently appeared together in media, collaborated on brand projects, and shared personal milestones. They are both central figures in the Kardashian-Jenner family narrative.

Kendall Jenner

Background and public role

Kendall Nicole Jenner was born November 3, 1995, in Los Angeles. She began modeling in the early 2000s and became a top-tier supermodel, walking for fashion houses and appearing on international Vogue covers. Kendall was a primary cast member on Keeping Up with the Kardashians and starred in her own eponymous series. She has launched multiple business ventures, including 818 Tequila and a skincare line with Kylie.

Relationship to Kim

Kendall is Kim’s half-sister (sharing mother Kris Jenner) and one of the most visible figures in the family. Kendall’s modeling career and brand projects have kept her in the public eye alongside Kim, and they have collaborated on numerous campaigns and ventures.

Kylie Jenner

Background and public role

Kylie Kristen Jenner was born August 10, 1997, in Los Angeles. She rose to fame via reality television and built a cosmetics empire with Kylie Cosmetics, later restructuring it into Kylie Skin. In 2022, Forbes estimated her net worth in the billions, largely tied to her stake in Kylie Cosmetics and ventures such as Kylie Baby and Kylie Skin.

Relationship to Kim

Kylie is Kim’s younger half-sister. The sisters frequently appear together at events, collaborate on promotions, and share a close bond despite an age gap. Kylie’s business trajectory has often intersected with Kim’s influence and branding efforts.

Rob Kardashian

Background and public role

Robert Kardashian was born March 17, 1987, in Los Angeles. He appeared on Keeping Up with the Kardashians and has maintained a lower public profile in recent years. He has one child with Blac Chyna and has at times stepped back from the spotlight.

Relationship to Kim

Rob is Kim’s only full brother. They were frequently shown as close in early seasons of the family show and have remained supportive of one another in limited public appearances.

Family structure at a glance

The Kardashian-Jenner family includes Kim and her five sisters, with varying degrees of biological relation and public visibility. The table below summarizes key attributes:

Name Relation to Kim Date of birth Primary public role Source type
Kourtney Kardashian Full sister (older) April 18, 1979 Reality TV, business Public records, interviews
Kim Kardashian Self October 31, 1980 Media personality, business Public records, interviews
Khloé Kardashian Full sister (younger) June 27, 1984 Reality TV, brand owner Public records, interviews
Kendall Jenner Half-sister (younger) November 3, 1995 Model, entrepreneur Public records, interviews
Kylie Jenner Half-sister (younger) August 10, 1997 Entrepreneur, influencer Public records, interviews
Rob Kardashian Full brother March 17, 1987 Reality TV Public records, interviews

Key relationship notes

  • Full sisters: Kourtney, Khloé, and Kim share both parents (Kris Jenner and Robert Kardashian).
  • Half-sisters: Kendall and Kylie share Kris Jenner but have different fathers (Kylie and Kendall with Caitlyn Jenner; Kim with Robert Kardashian).
  • Rob is Kim’s only full brother.
  • All sisters gained initial public exposure through Keeping Up with the Kardashians and have since built individual brands.

Frequently asked questions

How many sisters does Kim Kardashian have? Kim has five sisters: Kourtney, Khloé, Kendall, Kylie, and Rob is her brother. Note that Rob is her brother, not a sister.

Which sister is the oldest? Kourtney is the oldest full sister. Kendall and Kylie are younger half-sisters.

Do all sisters appear on reality TV? Kourtney, Khloé, Kendall, and Kylie have had significant reality television exposure. Rob has appeared on the show but is less visible publicly.

Closing context

Kim Kardashian’s sisters span full and half-sibling relationships, shaped by their shared upbringing with Kris Jenner and varying levels of public engagement. This explainer provides a durable reference for understanding those relationships and the professional roles each sister has cultivated over time.

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