Complex sentence: Matchabelli was born in Tiflis United States Petition for Citizenship, Southern District of New York, 17 May 1932 and was a member of the noble family of Machabeli from Georgia, then part of Imperial Russia, and a nephew of the writer Ivane Machabeli.
Split into simpler sentences: Matchabelli was born in Tiflis United States Petition for Citizenship, Southern District of New York, 17 May 1932, Georgia, then part of Imperial Russia. He was a member of the noble family of Machabeli and a nephew of the writer Ivane Machabeli.