Complex sentence: Maria Luisa Mangini (2 February 1936--16 February 2011), better known as Dorian Gray, was an Italian actress who committed suicide by shooting herself in 2011.
Split into simpler sentences: Maria Luisa Mangini (2 February 1936--16 February 2011), better known as Dorian Gray, was an Italian actress. She committed suicide by shooting herself in 2011.