Sage Stallone (Late) Veteran star actor, Sylvester Stallone is in mourning following the death of his son, Sage, aged 36. A statement on Sylvesterstallone.com reads: “It is with the greatest sadness that we report the passing of Sage Stallone. Sylvester Stallone is devastated and grief-stricken over the sudden loss of his son. His compassion and thoughts…