Iris Victoria Beatrice Grace Mountbatten was born at
Kensington Palace,
London on 13 January 1920, the only child of
Alexander Mountbatten, 1st Marquess of Carisbrooke, eldest of three sons and one daughter of
Princess Beatrice and
Prince Henry of Battenberg. Her mother, the Marchioness of Carisbrooke, was born
Lady Irene Frances Adza Denison (4 July 1890 – 16 July 1956) the only daughter of William Francis Henry Denison, 2nd
Earl of Londesborough and Lady Grace Adelaide Fane (3 October 1860 – 13 June 1933), a daughter of
Francis William Henry Fane, 12th Earl of Westmorland. Lady Carisbrooke had two brothers of whom only one, Hugo William Cecil Denison, 4th and last
Earl of Londesborough, was married. He and his wife had one child, Iris's only maternal first cousin, Lady Zinnia Rosemary Denison (25 November 1937 – 13 July 1997) a keen equestrian and Master of the Whaddon Chase
Hunt 1982–84. 'The Lady Zinnia Judd Challenge Trophy' named in memory of her, is presented in the Hunter Championship for the 'Best Hunter in Show' at the
Royal Windsor Horse Show. On 29 November 1934, Iris was a bridesmaid at the wedding of her third cousin,
Princess Marina of Greece and Denmark, to Iris’ second cousin,
Prince George, Duke of Kent. (Marina and Iris were related through the Hesse family, while George and Iris were both great-grandchildren of Queen Victoria.) On 4 September 1935, at St. Oswald's Church,
Blankney,
Lincolnshire, she was a bridesmaid at the wedding of her uncle Lord Londesborough to Marigold Rosemary Joyce Lubbock (15 May 1903 – 15 May 1976). On 12 May 1937 at their
coronation, Iris was one of the six train bearers to
Queen Elizabeth, wife and consort of her second cousin King
George VI. She attended a variety of royal and aristocratic events in her youth, being a well known and much photographed
débutante. During
World War II she worked as a nurse's aide, later moving to the
United States, where she taught dance. She became an actress and model, appearing as a hostess for a live TV children's programme
Versatile Varieties (
CBS Television, 1951), which featured actresses
Eva Marie Saint and
Edie Adams. She also appeared endorsing
Pond's Creams and Warrens Mint Cocktail Gum. ==Marriages==