Complex sentence: Thomas Birch (November 23,1705--January 9,1766), English historian, son of Joseph Birch, a coffee-mill maker, was born at Clerkenwell.
Split into simpler sentences: Thomas Birch (November 23,1705--January 9,1766) was an English historian. He was the son of Joseph Birch, a coffee-mill maker, and was born at Clerkenwell.