Coroner's officials have determined that Sylvester Stallone's 36-year-old son died from natural causes due to a heart condition.
Sage Stallone died in July from a condition that causes blockage of the arteries. No other factors were involved.
He was found dead in his home by an employee and a relative on July 13. No foul play had been suspected, and toxicology results showed only a minimal amount of hydrocodone in his system.
Sage Moonblood Stallone was the oldest of Sylvester Stallone's children and co-starred with his father in two films. He also became involved in moviemaking, directing the 2006 short Vic, which screened at the Palm Springs Film Festival.
