The Five Pillars: A Deep Dive Into Simone Biles' Siblings And Their Unique Family Story

As of December 2025, the family of Olympic legend Simone Biles continues to captivate the public, not just for their unwavering support of the GOAT of gymnastics, but for their own compelling and complex life stories. Simone Biles has a total of five siblings—three biological siblings who were part of her adoption story and two adoptive brothers who are the biological sons of her adoptive parents, Ronald and Nellie Biles. This unique family structure, rooted in a history of foster care and adoption, is the foundation of the Biles' close-knit bond and a testament to the power of familial love and support. The Biles siblings have all forged their own paths, from military service and personal health battles to sharing the spotlight and navigating high-profile legal challenges. The most recent updates for 2025 include news of a new addition to the family and ongoing health updates for one of her brothers. This article provides an in-depth, up-to-the-minute look at each of Simone Biles' five siblings and the remarkable journey that brought them all together.

The Biles Siblings: A Complete Biography and Profile

Simone Biles’ family structure is defined by an extraordinary act of love. When Simone and her younger sister, Adria, were placed in foster care due to their biological mother's struggles with addiction, their maternal grandparents, Ronald and Nellie Biles, officially adopted them in 2003. This is the same family unit that includes their two biological sons, Ronald Biles Jr. and Adam Biles, making them Simone’s adoptive brothers. Her two older biological siblings, Ashley and Tevin, were adopted by Ronald's sister, Harriet Biles.

• Full Name: Adria Biles
• Relationship to Simone: Younger Biological Sister (Adopted by Grandparents)
• Age: Approximately 26 (as of late 2025)
• Occupation/Activity: Former competitive cheerleader, social media personality.

• Full Name: Ashley Biles-Thomas
• Relationship to Simone: Older Biological Sister (Adopted by Great-Aunt)
• Occupation/Activity: Lives a more private life in Ohio.

• Full Name: Tevin Biles-Thomas
• Relationship to Simone: Older Biological Brother (Adopted by Great-Aunt)
• Occupation/Activity: Former U.S. Army soldier.

• Full Name: Ronald "Ron" Biles Jr.
• Relationship to Simone: Adoptive Older Brother (Biological son of Ronald and Nellie Biles)
• Occupation/Activity: Family man, active on social media with his wife, Samantha "Sammi" Biles.

• Full Name: Adam Biles
• Relationship to Simone: Adoptive Younger Brother (Biological son of Ronald and Nellie Biles)
• Occupation/Activity: Maintains a lower public profile.

Adria Biles: The Sister Mistaken for a Twin

Adria Biles is perhaps the sibling most frequently seen alongside the gymnastics superstar. The two sisters share an incredibly close bond, having been adopted together by their grandparents, Ron and Nellie, after a period in foster care. Adria is only two years younger than Simone, which is why they are frequently mistaken for twins, a fact they often joke about.

Like Simone, Adria also has a background in tumbling and acrobatics, though she pursued competitive cheerleading rather than elite gymnastics.

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In recent years, Adria has become a prominent figure in her own right, often appearing on the red carpet and traveling with Simone, providing a constant source of support. Her public presence offers a clear view into the tight-knit dynamic that the Biles family shares, emphasizing that their adoption story is one of unwavering love and commitment.

The Older Biological Siblings: Ashley and Tevin Biles-Thomas

The lives of Simone’s two older biological siblings, Ashley Biles-Thomas and Tevin Biles-Thomas, took a different path early on. When the children were separated from their biological mother, Ashley and Tevin were adopted by their great-aunt, Harriet Biles, while Simone and Adria were adopted by their grandparents, Ronald and Nellie.

Ashley Biles-Thomas, the oldest sister, is seven years Simone’s senior. She maintains a relatively private life in Ohio, but her bond with her younger siblings remains strong.

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Tevin Biles-Thomas is the older brother whose name made national headlines for a distressing reason. Tevin, a former U.S. Army soldier, was arrested in 2019 and charged with a triple-homicide that occurred at a New Year's Eve party in 2018.

In a major update to the case, Tevin Biles-Thomas was acquitted of all charges. The judge dismissed the charges, leading to a dramatic scene in the courtroom. This acquittal and the ensuing chaos highlighted the immense pressure and scrutiny the Biles family has faced, even as they support one another through the most challenging circumstances.

Ronald Jr. and Adam Biles: The Adoptive Brothers

Ronald "Ron" Biles Jr. and Adam Biles are the biological sons of Ronald and Nellie Biles, making them Simone’s adoptive brothers. They were already part of the household when Simone and Adria were officially adopted, solidifying their status as a single, large, blended family.

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Ronald Biles Jr. is an older brother who has been very open about his life and family on social media, often sharing updates with his wife, Samantha (Sammi) Biles. The couple has been navigating personal health challenges and exciting family growth.

A significant 2025 update is the news that Ron Biles Jr. and his wife Sammi are expecting their second child in mid-2025, adding another member to the extended Biles clan. Furthermore, Ron Jr. has been grappling with persistent hip issues, which he has openly shared about his journey, including "learning how to walk for the 3rd time" after hospital stays. His wife Sammi has also shared important updates about their daughter's health.

Adam Biles is the youngest of the Biles brothers. He generally maintains a low public profile compared to his siblings, allowing him to live a life away from the constant media spotlight that follows the Olympic champion.

The Enduring Legacy of the Biles Family

The story of Simone Biles and her five siblings is a powerful narrative that transcends the world of elite sports. It is a story about the complex realities of foster care, the transformative power of adoption, and the unconditional love that defines a true family. The journey of the Biles siblings—Adria, Ashley, Tevin, Ronald Jr., and Adam—is a testament to the fact that family is built on love and commitment, not just biology.

From the joyous news of new babies and wedding celebrations to the difficult trials of health issues and legal battles, the Biles family operates as a singular, supportive unit. Their public openness about their unique background and their commitment to showing up for one another provides a refreshing and inspiring example of modern family dynamics under the intense pressure of global celebrity.