One of his sons was the great jurist John Erskine of Carnock, father to John Erskine DD, leader of the Evangelical Party in the 18th-century Scottish Church. After Anna's death in June 1723 he married thirdly Lilias, daughter of Sir George Stirling of Keir and widow of John Murray, in 1725. There were no children from this marriage.
One of his sons was the prominent jurist John Erskine of Carnock, father to John Erskine DD, leader of the Evangelical Party in the 18th-century Scottish Church. After Anna's death in June 1723 he married a third time to Lilias, daughter of Sir George Stirling of Keir and widow of John Murray, in 1725. They had no children from this marriage.