James FitzRoy, Earl of Euston

Between 1973 and 1982, Euston was an assistant director of Schroders (J. Henry Schroder Wagg), an asset management company, and then from 1982 to 1987 an executive director of Enskilda Securities. ^[2]

On 16 September 1972, FitzRoy married Lady Clare Amabel Margaret Kerr, daughter of the 12th Marquess of Lothian and Antonella Kerr, Marchioness of Lothian.^[2] They had five children:

• Lady Louise Helen Mary FitzRoy (born 11 June 1973)
• Lady Emily Clare FitzRoy (born 6 December 1974)
• Henry Oliver Charles FitzRoy, 12th Duke of Grafton (born 6 April 1978)
• Lady Charlotte Rose FitzRoy (born 10 March 1983)
• Lady Isobel Anne FitzRoy (born 1985)

In 2003, Euston was living at 6 Vicarage Gardens, Kensington.^[2] He died at home on 1 October 2009. His funeral took place at St Genevieve's Church, Euston, on 14 October. He predeceased his father, and on the latter's death in 2011, the title of Duke of Grafton passed to Euston's only son Henry.^[3]