Who married Charles FitzRoy, 2nd Duke of Cleveland?

Charles Palmer, later Charles FitzRoy, 2nd Duke of Cleveland, 1st Duke of Southampton, Chief Butler of England (18 June 1662 – 9 September 1730) was an English nobleman and illegitimate son of Charles II. He was styled Baron Limerick before 1670; Earl of Southampton between 1670 and 1675; and known as the Duke of Southampton from 1675 until 1709, when he succeeded his mother as Duke of Cleveland.