Yes and No, Rob Schneider does have a brother named John Schneider, but it is not the same John Schneider of TV fame, The Dukes of Hazard. Rob's brother has co-produced several of his movies.
No he is alive.
Actor Rob Schneider is married to Patricia Azarcoya Arce.
Rob Schneider is 47 years old (birthdate: October 31, 1963).
Judaism (the religion of the Jewish people, based on the principles embodied in the Tanakh and explained in the Talmud)