Complex sentence: Baskerville was the son of Sir Thomas Baskerville, knight, commander of the English army in France, by Mary, daughter of Sir Thomas Throgmorton, was born at Saint-Valéry, in Picardy, on 5 April 1597.
Split into simpler sentences: Baskerville was the son of Sir Thomas Baskerville, knight, commander of the English army in France, by Mary, daughter of Sir Thomas Throgmorton. He was born at Saint-Valéry, in Picardy, on 5 April 1597.