Robert is the only member of his family in show business.
Robert's father, Steven, is Hungarian. His mother, Marie, is Italian.
Robert majored in speech and theater at Glassboro State College in New Jersey.
Robert's spouses include: Cynthia Wylie (1 January 1994 - present), Lynn O Hare' (1 April 1987 - 1 April 1993) (divorced) 2 children, Kyle Drummer (31 December 1979 - 1 April 1984) (divorced), Mary Kunes (1 September 1973 - 1 August 1977) (divorced)
Robert's cousin is Jon Bon Jovi.