In 1756 King George II of Great Britain and Ireland (age 72) created new Garter Knights as follows:

572nd William Cavendish 4th Duke Devonshire (age 35),

573rd Henry Howard 4th Earl Carlisle (age 61),

574th Hugh Percy 1st Duke Northumberland (age 40),

575th Francis Seymour-Conway 1st Marquess Hertford (age 37).