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Simone Biles is commonly described as having five siblings: Ronald Biles Jr., Adam Biles, Adria Biles, Ashley Biles-Thomas, and Tevin Biles. But they do not all have the same biological or adoptive relationship to her.
Adria, Ashley, and Tevin are Simone’s biological siblings. Ronald Jr. and Adam are the biological sons of Ron and Nellie Biles, the couple who adopted Simone and Adria and raised them in Spring, Texas. That distinction explains why some biographies describe Simone as one of four biological children, while other profiles refer to five siblings in the broader family structure.
Simone Biles’ five siblings at a glance
| Name | Relationship to Simone | What is publicly documented |
|---|---|---|
| Ronald Biles Jr. | Adoptive brother; Ron and Nellie Biles’ biological son | Grew up in the Biles household with Simone and Adria. |
| Adam Biles | Adoptive brother; Ron and Nellie Biles’ biological son | Grew up in the same Texas household. Reliable public detail about his adult life is limited. |
| Adria Biles | Younger biological sister; adopted and raised alongside Simone | Participated in gymnastics as a child and has appeared frequently in public coverage with Simone. |
| Ashley Biles-Thomas | Older biological sister | Was adopted by the siblings’ great-aunt and raised separately in Cleveland, Ohio. |
| Tevin Biles | Older biological brother | Was raised in Ohio with Ashley. He served in the U.S. Army and was acquitted of charges related to a 2018 Cleveland shooting in 2021. |
Why Simone Biles has five siblings in some accounts
The answer depends on whether a source is counting biological siblings or the siblings who belong to the family that raised Simone.
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Simone and Adria are two of four biological children born to their biological mother. Ashley and Tevin are the other two. When Simone and Adria entered the Biles family, they were raised with Ron and Nellie’s sons, Ronald Jr. and Adam. In that wider family context, all five are appropriately described as Simone’s siblings.
A simple way to represent the family structure is:
- Biological siblings: Adria, Ashley, and Tevin.
- Adoptive brothers through the household that raised Simone: Ronald Jr. and Adam.
- Simone and Adria: biological sisters who were adopted together by their maternal grandfather, Ron Biles, and his wife, Nellie.
This wording matters. Referring to all five as biological siblings would be inaccurate, while saying that Ronald Jr. and Adam are unrelated to Simone would ignore the family relationship in which they grew up.
Adria Biles
Adria is Simone’s younger biological sister and the sibling who grew up most directly alongside her. After the girls spent time in foster care, Ron Biles and Nellie adopted both of them. The publisher’s educational excerpt for Simone’s biography states that the adoption was finalized on November 7, 2003, when Simone was six and Adria was four.
The sisters grew up together in Spring, Texas. Adria also participated in gymnastics during childhood, although she did not pursue the same elite competitive career that made Simone an Olympic and world champion.
Adria has appeared in public coverage with Simone more often than the other siblings. That visibility supports describing the sisters as close and familiar in their public relationship, but it does not justify making broad claims about their private lives. Much of the available coverage centers on Simone’s career rather than providing a complete biography of Adria.
Rank #2
Ronald Biles Jr. and Adam Biles
Ronald Jr. and Adam are Ron and Nellie Biles’ biological sons. In practical terms, they were Simone and Adria’s brothers in the household that raised them.
USA Gymnastics’ profile of Simone lists Ronald II, Adam, and Adria among her siblings. Family coverage likewise identifies Ronald Jr. and Adam as two of the five siblings commonly discussed in accounts of Simone’s upbringing.
There is considerably less independently verified public information about Ronald Jr. and Adam than about Simone or Adria. For that reason, claims about their ages, jobs, relationships, locations, or present-day activities should not be added without strong, current sourcing. Their important role in this story is the family structure: they were Ron and Nellie’s sons, and they grew up with Simone and Adria in Texas.
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Ashley and Tevin are Simone’s older biological siblings. When Ron and Nellie adopted Simone and Adria, Ashley and Tevin were adopted by Ron’s sister—the children’s great-aunt—and raised in Cleveland, Ohio.
The siblings’ early separation is a significant part of Simone’s family history, but it should not be presented as a decision made by Simone or Adria. The children were young and were placed with different relatives after a period in foster care. The family arrangement allowed Simone and Adria to be raised by Ron and Nellie while Ashley and Tevin grew up with their great-aunt in Ohio.
Rank #3
Public reporting contains limited independently verified information about Ashley’s adult life. Details such as her occupation, relationship status, or current location should not be treated as established fact unless confirmed by a reliable source.
What is known about Tevin’s legal case?
People’s reporting states that Tevin served in the U.S. Army and later faced criminal charges connected with a 2018 shooting in Cleveland. He was acquitted of all charges in 2021. Any account of this episode must make the acquittal explicit; being charged is not the same as being convicted, and the available reporting does not support language implying that he was found guilty.
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Simone Biles’ childhood and adoption
Simone was born in Columbus, Ohio. During early childhood, she and her siblings entered foster care because their biological mother was unable to provide consistent care. Ron and Nellie later adopted Simone and Adria, while Ashley and Tevin were adopted by their great-aunt.
Ron is Simone’s maternal grandfather. Nellie is Ron’s wife and Simone’s adoptive mother. Describing Ron and Nellie simply as Simone’s “grandparents” can therefore be misleading: Ron is her biological maternal grandfather, but Nellie is not presented in the supplied family sources as her biological grandmother.
The adoption changed the children’s living arrangements, not the basic biological relationships among the four children. Simone and Adria remained biological sisters; Ashley and Tevin remained their biological siblings; and Ronald Jr. and Adam became the brothers with whom Simone and Adria shared the Biles home.
Rank #4
Where the siblings are today
Simone is the family member whose adult career is most extensively documented. The public record is much thinner for Ronald Jr., Adam, Ashley, and—outside specific reported events—Tevin. That does not mean there is no relationship among the siblings; it means that responsible coverage should separate documented facts from assumptions based on Simone’s fame.
The safest summary is that Simone grew up with Adria, Ronald Jr., and Adam in the Biles household in Texas, while Ashley and Tevin were raised by their great-aunt in Ohio. Public profiles and family features identify all five as her siblings, but they do not provide a complete, current biography of each person.
Watch next: Simone Biles Rising
For a visual follow-up to Simone’s family and career story, Netflix’s Simone Biles Rising is a four-episode documentary series about her personal life, mental-health journey, training, and return to Olympic competition. Netflix’s Tudum coverage also describes a later installment following Biles through the 2024 Olympic Trials and the Paris Olympics. Availability through any particular third-party service should be checked before subscribing or watching.
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Simone Biles has five siblings commonly identified in family and sports coverage: Ronald Jr., Adam, Adria, Ashley, and Tevin. Adria, Ashley, and Tevin are her biological siblings. Ronald Jr. and Adam are Ron and Nellie Biles’ biological sons and Simone’s adoptive brothers through the family that raised her. Simone and Adria grew up together in Texas, while Ashley and Tevin were raised by their great-aunt in Ohio—a distinction that is central to understanding the family story.
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Sources consulted: People’s overview of Simone Biles’ siblings; Biography.com’s family background; USA Gymnastics’ athlete profile; the publisher’s educational excerpt for Courage to Soar; and official Netflix and Netflix Tudum material about Simone Biles Rising. Family members’ ages and current private circumstances are omitted where reliable, current public documentation is limited.
Frequently Asked Questions
How many siblings does Simone Biles have?
Simone Biles is commonly described as having five siblings: Ronald Biles Jr., Adam Biles, Adria Biles, Ashley Biles-Thomas, and Tevin Biles.
Are all five of Simone Biles’ siblings biological siblings?
Adria, Ashley, and Tevin are Simone’s biological siblings. Ronald Jr. and Adam are Ron and Nellie Biles’ biological sons and Simone’s adoptive brothers through the household that raised her.
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Simone and Adria were adopted by their maternal grandfather, Ron Biles, and his wife, Nellie. Ashley and Tevin were adopted by Ron’s sister, their great-aunt, and raised in Cleveland, Ohio.
Was Simone Biles’ brother Tevin convicted?
Yes. Tevin was acquitted of all charges in 2021. Coverage of the case should distinguish the charges related to a 2018 Cleveland shooting from the acquittal.
The Bottom Line
Simone Biles has five siblings commonly identified in coverage: Ronald Jr., Adam, Adria, Ashley, and Tevin. Adria, Ashley, and Tevin are her biological siblings; Ronald Jr. and Adam are the biological sons of Ron and Nellie Biles, who adopted and raised Simone and Adria. Simone and Adria grew up together in Texas, while Ashley and Tevin were raised by their great-aunt in Ohio.
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