Stefano Maggadino was part of the Buffalo crime family which was
associated with the Bonanno crime family.
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the Bonanno Family
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There is no concrete evidence to suggest that Joseph Bonanno had illegitimate children. Bonanno was known for his strict adherence to Mafia codes, and keeping family matters private was a key principle.
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Bill Bonanno's birth name is Salvatore Vincent Bonanno.