Background
Tankerville was the son of John Bennet, 1st Baron Ossulston.
Tankerville was the son of John Bennet, 1st Baron Ossulston.
Tankerville succeeded his father in the barony in 1695 and was able to take a seat in the House of Lords. In 1714 he was created Earl of Tankerville, a revival of the title which had become extinct on the death of his father-in-law thirteen years earlier (see below). He was sworn of the Privy Council in 1716 and made a Knight of the Thistle in 1721.
Lord Tankerville married Lady Mary, daughter of Ford Grey, 1st Earl of Tankerville, in 1695.