Arthur “Art” Jones, the older brother of UFC star Jon Jones and former NFL defensive lineman, died suddenly in early October 2025 at the age of 39.

Quick Scoop

  • Arthur Jones passed away at 39 at his home in New York in early October 2025.
  • He was a former NFL player and Super Bowl champion with the Baltimore Ravens, later also playing for the Indianapolis Colts and Washington.
  • Public statements from the Ravens and Syracuse described him as a positive, uplifting presence with a big smile and strong community involvement.
  • Jon Jones later shared an emotional tribute on social media, saying Arthur brought joy, warmth, and laughter to those around him and that his legacy inspires their family.
  • As of the latest reports, details or an exact official cause of death have either not been fully released or remain described as a sudden/unexpected passing.

Who was John/Jon Jones’ brother?

If the question “what happened to John Jones brother” is about UFC champion Jon Jones’ brother, this refers to Arthur Jones:

  • Former NFL defensive lineman, drafted by the Baltimore Ravens, where he won a Super Bowl in the 2012 season, then played for the Colts and Washington.
  • Brother to Jon Jones (UFC) and Chandler Jones (former NFL star), all part of a high-profile sports family.

What exactly happened?

Public reporting and team statements outline only partial details:

  • Arthur Jones died suddenly on a Friday morning in early October 2025 at age 39; announcements came via Syracuse University and the Baltimore Ravens.
  • Some coverage references a pre‑existing heart condition and emergency services being alerted when his implanted cardiac device went off, but official reports still describe the death as sudden and do not provide a fully detailed medical explanation.

Because of privacy and respect for the family, outlets emphasize his life and legacy more than the medical specifics.

Reaction, tributes, and forum talk

  • Jon Jones shared a heartfelt message and video montage on social media weeks later, calling Arthur a “gentle giant” whose kindness, generosity, and love for family and community continue to inspire them.
  • The Baltimore Ravens and other organizations released tributes calling Arthur’s presence “a gift,” highlighting his energy, positivity, and impact on teammates and fans.
  • In MMA and sports forums, fans have discussed how Jon has now lost both a sister (Carmen, who died young from a brain tumor) and his brother Arthur, often expressing sympathy even from those critical of Jon’s personal controversies.

Important note

Details on “what happened” are limited to what the family and organizations have chosen to share publicly, and some outlets continue to describe the case as a sudden or unexplained passing. Any speculation beyond this would be unreliable and disrespectful to the family’s privacy.

Information gathered from public forums or data available on the internet and portrayed here.