 On 21 September 1691, Elizabeth married Scottish nobleman John Lyon, son of Patrick Lyon, 3rd Earl of Strathmore and Kinghorne.In May 1695, almost four years after their marriage, he succeeded his father as the 4th Earl of Strathmore and Kinghorne; and from that time onwards, she was styled Countess of Strathmore and Kinghorne.Together they had 10 children