Sylvester Stallone's son Sage was found dead in his home Friday by his housekeeper.  The cause of death has not yet been determined, however, authorities have ruled out foul play. 

There had been no contact with the younger Stallone by family members in several days, and was found by a housekeeper, when family became worried.

Sage Stallone was an actor; appearing with his father Sylvester Stallone in Rock 5, playing Rocky's son.  He also appeared in the movie "Daylight", and directed a short film "Vic".

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