Complex sentence: Three members of Gen X were previously in Chelsea along with lead singer Gene October, they soon broke away from October and selected the name Generation X (after Jane Deverson's 1965 sociology book, a copy of which was owned by Idol's mother).
Split into simpler sentences: Three members of Generation X were previously in Chelsea, along with lead singer Gene October. They soon broke away from October and selected the name Generation X (after Jane Deverson's 1965 sociology book, a copy of which was owned by Idol's mother).