Complex sentence: His mother Sheila J. Tyler-Callaway was involved in a car crash leaving her quadriplegic and died 2 years later when Cee-Lo was 18 years old and his career with Goodie Mob had just begun taking off.
Split into simpler sentences: His mother Sheila J. Tyler-Callaway was involved in a car crash, leaving her quadriplegic. She died 2 years later, when Cee-Lo was 18 years old and his career with Goodie Mob had just begun taking off.