The engagement was announced 23 August 2006 between Alexander William Euing Crawford (b. 1967), son of Capt. David Dundas Euing Crawford, of Cupar, Fife, by his wife the former Lady Susanna Montgomerie (b. 1941), & Mrs Nicola C.M. Diamond, daughter of Mr Robert Walker, of St Margaret's Bay, Kent, and Mrs Simon Jeffrey, of Bath. Alexander Crawford is a grandson maternally of the 17th Earl of Eglinton & Winton (1914-66).