Mon July 16, 2012 2:45pm
The eldest son of the action hero, Sage was no spotlight dweller - a reclusive teen, he spent much time watching zombie horror films and is said to have had a strained relationship with his father, at one stage "screaming", he told People magazine in 1996: ""You never spent time with me! You never spent time with my mother!" - that was true, I was looking into my father's face and really saying that."
But, as difficult as the father-son relationship may at times have been, it was Sage's role alongside his father Sylvester for which he is perhaps best-known, carried, in part, by the juggernaut that is the Rocky series. The young Sage, aged just 13, played the part of Rocky Balboa Jr in the 1990 installment, Rocky V. It was his film debut.
The father-son duo again acted together for the 1996 Manhattan disaster film, Daylight, alongside Viggo Mortensen and Amy Brenneman. Sage went on to have roles in 11 other productions, the most recent of which was 2010 short film, The Agent.
Sage and brother Seargeoh, 32, are sons from the actor's 11-year marriage to Sasha Czack. The first of three marriages, Stallone and Czack split in 1985, with Stallone going on to marry Brigitte Nielsen and then Jennifer Flavin, with whom Stallone has three daughters, Sophia, Sistine and Scarlet, half-sisters to Sage.
Czack is "devastated", Braunstein told E! News. "They're trying to sort everything out and plan a funeral. Sylvester called, he's upset too. They may be celebs, but they're regular parents. It's tragic."
Sylvester Stallone's representative, Michelle Bega, told TMZ that the star "is devastated and grief-stricken over the sudden loss of his son Sage Stallone. His compassion and thoughts are with Sage's mother, Sasha. Sage was a very talented and wonderful young man. His loss will be felt forever."
* Support is available for anyone who may be distressed by calling Lifeline 131 114, Mensline 1300 789 978, Kids Helpline 1800 551 800.