Complex sentence: William Welles Hollister, was born Jan.12,1818, went to Kenyon College when he was 15, remaining there 4 or 5 years, his health not permitting him to take a regular course.
Split into simpler sentences: William Welles Hollister, was born Jan.12,1818. He went to Kenyon College when he was 15, remaining there 4 or 5 years, his health not permitting him to take a regular course.