Complex sentence: William Vaux, 3rd Baron Vaux of Harrowden (before 14 August 1535--20 August 1595) was an English peer, the son of Thomas Vaux, 2nd Baron Vaux of Harrowden.
Split into simpler sentences: William Vaux, 3rd Baron Vaux of Harrowden (before 14 August 1535--20 August 1595) was an English peer. He was the son of Thomas Vaux, 2nd Baron Vaux of Harrowden.