Lady Iris Mountbatten

The Lady Iris Mountbatten was born in 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 GBE, DJStJ, Order of Queen Maria Luisa, was born Lady Irene Francis Adza Denison the only daughter of William Francis Henry Denison, 2nd Earl of Londesborough and Lady Grace Adelaide Fane, a daughter of Francis William Henry Fane, 12th Earl of Westmorland. Lord Carisbrooke's only sister Ena was Queen consort to King Alfonso XIII of Spain, thus making Lady Iris a first cousin of the Infante Juan, Count of Barcelona, grandfather of the present King, Felipe VI of Spain. 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 a keen equestrian and Master of the Whaddon Chase Hunt 1982-84.