Arabella Mackenzie Smith, (nee Hanbury), b. 13 December, 1975, wife of Hugo Mackenzie Smith, gave birth to a son, Hubie, 10 July 2006, a brother for Christopher Hanbury (Archie), who was b. 26 Mar 2002, and for Tallulah-Plum,who was b. 13 October, 2004. Arabella is a daughter of Major Christopher Osgood Philip Hanbury, one-time Equerry to HM The Sultan of Brunei, and of Mrs Hanbury, (the former Bridget Anne Birch), and she is a first cousin of the Earl of Derby. Hugo & Arabella married at Lambourn, Berks, 17 June, 2000.
Source: Daily Telegraph 14 July 2006