James Oliver Charles FitzRoy, Earl of Euston (13 December 1947 – 1 October 2009) was the eldest child of the 11th Duke of Grafton and his wife Fortune.
Early life.
Born in 1947 to the then Earl of Euston, later the 11th Duke, he was styled Viscount Ipswich and was baptised with Queen Elizabeth The Queen Mother as one of his godparents. He was educated at Eton and Magdalene College, Cambridge, graduating BA in 1973, later promoted to MA.
Career.
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. 
Personal life.
On 16 September 1972, FitzRoy married Lady Clare Amabel Margaret Kerr, daughter of the 12th Marquess of Lothian and Antonella Kerr, Marchioness of Lothian. They had five children:
In 2003, Euston was living at 6 Vicarage Gardens, Kensington. 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. 
References.
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