Complex sentence: The second son of Sir Thomas, Francis, was a Major in the Royalist army army during the English Civil War, was knighted by Charles I in 1643 and styled Sir Francis Liddell of Bamburgh Castle and Redheugh.
Split into simpler sentences: The second son of Sir Thomas, Francis, was a Major in the Royalist army army during the English Civil War. Francis was knighted by Charles I in 1643 and styled Sir Francis Liddell of Bamburgh Castle and Redheugh.