Gerald Grosvenor, 6th Duke of Westminster British billionaire landowner, businessman and Territorial Army officer (1951-2016) (1951–2016) Parents Viola Grosvenor, Duchess of Westminster Robert Grosvenor, 5th Duke of Westminster Children Hugh Grosvenor, 7th Duke of Westminster Lady Viola Grosvenor Edwina Grosvenor Tamara van Cutsem Siblings Jane Dawnay Leonora Anson, Countess of Lichfield Partners Natalia Grosvenor, Duchess of Westminster
