Robert FitzRoy
Robert FitzRoy was born at Ampton Hall, Ampton, Suffolk, England, into the upper echelons of the British aristocracy and a tradition of public service. Through his father, General Lord Charles FitzRoy, Robert was a fourth great-grandson of Charles II of England; his paternal grandfather was Augustus Henry FitzRoy, 3rd Duke of Grafton. His mother, Lady Frances Stewart, was the daughter of the first Marquess of Londonderry and the half-sister of Viscount Castlereagh, who became Foreign Secretary. From the age of four, Robert FitzRoy lived with his family at Wakefield Lodge, their Palladian mansion in Northamptonshire.
Robert O'Brien FitzRoy
Born the son of Admiral Robert FitzRoy, FitzRoy Junior joined the Royal Navy in 1853. He served in the Second Opium War in 1857 and was promoted to Captain in 1872. In 1878 he commanded HMS "Alexandra", flagship of Admiral Sir Geoffrey Hornby through the Dardanelles to Constantinople and although he grounded the ship, it was later re-floated. On 16 April 1886 he was made an Naval Aide-de-Camp to the Queen.