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.
William FitzRoy (British Army Officer)
FitzRoy was born in 1830, the eldest son of William Simon Haughton FitzRoy (1802–1882), of Brookeside lodge, Warwickshire, by his wife Anne Bagge (1802–1860), daughter of Thomas Bagge (grandfather of Sir William Bagge, 1st Baronet). Through his father he was a great-grandson of Charles FitzRoy, 1st Baron Southampton, a paternal (though illegitimate) descendant of King Charles II of England.