Complex sentence: Vilma Lucila Espín Guillois (April 7,1930--June 18,2007) was a Cuban chemical engineer and revolutionary and feminist who was married to Raúl Castro, the current Cuban President and brother to former Cuban President Fidel Castro.
Split into simpler sentences: Vilma Lucila Espín Guillois (April 7,1930--June 18,2007) was a Cuban revolutionary, feminist and chemical engineer. She was married to Raúl Castro, the current Cuban President, who is the brother to former Cuban President Fidel Castro.