Commissioned in the Guards almost at birth, Selwyn served in Flanders as aide-de-camp to Marlborough. Returned for Truro on the Boscawen interest and appointed a commissioner of the equivalent
When Walpole fell in 1742, Selwyn advised him not to take the pension of £4,000 a year offered him by the King in view of the outcry against it. In November 1744 he was sent by the King with a message to Walpole in Norfolk asking him to advise on the question of Granville’s dismissal.
old John’ Selwyn (who had succeeded to the confidence of Lord Townshend, Sir Robert Walpole and Mr. Pelham, as they succeeded one another in power, and had already laid a foundation with Mr. Fox) was appointed treasurer to the Prince, as he and his son were already to the Duke and Princesses. He was a shrewd silent man, humane, and reckoned very honest—he might be so—if he was, he did great honour to the cause, for he had made his court and his fortune with as much dexterity as those who reckon virtue the greatest impediment to wordly success.
Mems. Geo. II, i. 94-95.
He died 5 Nov. 1751.
