Sir John was the eldest son of John Clerk of Penicuik and Mary, daughter of Sir William Gray of Pittendrum.
[2] He served as a shire commissioner in the Parliament of Scotland for Edinburghshire from 1690 to 1702.
His son-in-law, Barbara's second husband, Dr. William Arthur, became embroiled in the Jacobite rising of 1715.
He died in 1722, and was succeeded by his eldest son Sir John Clerk, 2nd Baronet.
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