Complex sentence: Serge Benoist de Gastyne (July 27,1930--July 24,1992) was a French American musician and pianist born in Paris, France, as the Count de Gastyne, Marquis de St Maur and Viscount de Montauriant.
Split into simpler sentences: Serge Benoist de Gastyne (July 27,1930--July 24,1992) was a French American composer and pianist born in Paris, France. Serge de Gastyne (1930-1992) was born in Paris, France, as the Count de Gastyne, Marquis de St Maur and Viscount de Montauriant.