Henry John Brinsley Manners, Marquess of Granby, was an MP. He married Marion Margaret Violet Lindsay, daughter of Col. the Hon. Charles Hugh Lindsay, C.B. He succeeded to the title of 8th Duke of Rutland in 1906.
Henry Manners was Principal Private Secretary to the then Prime Minister the Marquess of Salisbury prior to his election as Conservative MP for Melton, Leicestershire in 1888.
Debrett's Illustrated Peerage, Baronetage and Knightage, London, 1896; Dictionary of National Biography, on-line edition (accessed 4 June 2004).