Complex sentence: Unlike its larger neighbour of Penzance, Madron was recorded in the Domesday Book as being under jurisdiction of the manor of Alverton, an area that once formed much of what is now the southern part of Penwith.
Split into simpler sentences: Unlike its larger neighbour of Penzance, Madron was recorded in the Domesday Book. It was under the jurisdiction of the manor of Alverton, an area that once formed much of what is now the southern part of Penwith.