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.
Henry FitzRoy (politician)
Born into the family of the Dukes of Grafton, he was a great-great grandson of King Charles II. He was second son of Lieutenant-General George FitzRoy, 2nd Baron Southampton, by his second wife Frances Isabella, daughter of Lord Robert Seymour. Charles FitzRoy, 3rd Baron Southampton, was his elder brother. His grandparents were Charles FitzRoy, 1st Baron Southampton and Anne Warren, daughter and co-heir of Adml. Sir Peter Warren and a descendant of the Schuyler family, the Van Cortlandt family, and the Delancey family, all from British North America.