Who married William Fiennes, 1st Viscount Saye and Sele?

William Fiennes, 1st Viscount Saye and Sele (28 June 1582 – 14 April 1662) was an English nobleman and politician. He was a leading critic of Charles I's rule during the 1620s and 1630s. He was known also for his involvement in several companies for setting up overseas colonies.