Helen Percy, Duchess of Northumberland

Helen Percy, Duchess of Northumberland (December 13, 1886–June 13, 1965) was born Lady Helen Magdalan Gordon-Lennox, the daughter of the Earl of March and Kinrara (later Duke of Richmond). She was married on October 18, 1911 to Earl Percy, who succeeded his father as 8th Duke of Northumberland in 1918, whereupon Helen became Duchess of Northumberland. She was Mistress of the Robes to Queen Elizabeth from 1937 to 1964 and was appointed a Dame Grand Cross of the Royal Victorian Order (GCVO) in 1938.