Complex sentence: Lytham is mentioned in the Domesday Book as Lidun, and in 1199 Richard Fitzroger gave his Lytham estates (then known as Lethun) to the Benedictine monks of Durham.
Split into simpler sentences: Lytham is mentioned in the Domesday Book as Lidun. In 1199 Richard Fitzroger gave his Lytham estates (then known as Lethun) to the Benedictine monks of Durham.