Complex sentence: Born in Pelham, New York, to immigrant Italian parents, Nick Bollettieri attended Pelham Memorial High School there and was a charter member of the Beta Lambda Chapter of the Omega Gamma Delta Fraternity, graduating in 1949.
Split into simpler sentences: Born in Pelham, New York, to immigrant Italian parents, Nick Bollettieri attended Pelham Memorial High School. He was a charter member of the Beta Lambda Chapter of the Omega Gamma Delta Fraternity and he graduated in 1949.