(Charles) James Spencer-Churchill, styled Marquess of Blandford (b. 24 Nov, 1955), son & heir of the 11th Duke of Marlborough (b. 13 Apr 1926), of Blenheim Palace, Woodstock, by his 1st wife, Susan Mary Hornby (b. 19 Oct 1929; d. 27 Jan 2005). and his 2nd wife, the former Edla Griffiths, dau of Mr Alun Griffiths and his wife, Pauline, are expecting their first child together in the spring of 2007. (Lady Blandford is four months pregnant, according to the Daily Mail) .
Lord Blandford has a son from a former marriage, George John G. Spencer-Churchill, styled Earl of Sunderland, b. Oxford, 28 July, 1992.