Complex sentence: In 1937, her father was diagnosed with systemic lupus erythematosus; it led to his eventual death on February 1,1941, and O'Connor and her mother continued to live in Milledgeville.
Split into simpler sentences: In 1937, her father was diagnosed with systemic lupus erythematosus. It led to his eventual death on February 1,1941, and O'Connor and her mother continued to live in Milledgeville.