Complex sentence: Prior to 1649 the area formed part of a larger parish called Kilpatrick, one part then being called West or Old Kilpatrick covering Dunbarton and areas of west Dunbartonshire, such as Clydebank.
Split into simpler sentences: Prior to 1649, the area formed part of a larger parish called Kilpatrick. One part was called West, or Old Kilpatrick, and covered Dunbarton and areas of west Dunbartonshire, such as Clydebank.