Complex sentence: Her father, William Francis Cooper, was an analytical chemist and general practitioner, and her mother, Christine Maud Jones died from influenza when Tina was six months old; her father remarried to Eileen Hall in 1920.
Split into simpler sentences: Her father, William Francis Cooper, was an analytical chemist and general practitioner. Her mother, Christine Maud Jones, died from influenza when Tina was six months old; her father remarried to Eileen Hall in 1920.