Donald De Souza is a fictional character in the British ITV soap opera, Emmerdale played by Michael Jayston. Appearing between 2007 and 2008, Donald arrives as the husband of Nicola Blackstock (Nicola Wheeler), although their marriage quickly falls apart. During his year in the programme, Donald falls out with both his children, Anna (Emma Davies) and Miles (Ayden Callaghan), before he dies of a heart attack.