Complex sentence: The name'Sussex' derives from the Kingdom of Sussex, according to legend it was founded by Ælle of Sussex in 477 AD, then in 825 it was absorbed into the kingdom of Wessex and the later kingdom of England.
Split into simpler sentences: The name'Sussex' derives from the Kingdom of Sussex. According to legend it was founded by Ælle of Sussex in AD 477, then in 825 it was absorbed into the kingdom of Wessex and the later kingdom of England.