I used to show dad everything I 'd built or painted at school , and this one sparked off the idea ... '' Lucy Vodden nÃ e O'Donnell died of an immune system disease in 2009 . I used to show dad everything I 'd built or painted at school , and this one sparked off the idea ... '' Lucy Vodden nÃ e O'Donnell , in a BBC radio interview in 2007 , said , `` I remember Julian and I both doing pictures on a double-sided easel , throwing paint at each other , much to the horror of the classroom attendant ... Julian had painted a picture and on that particular day his father turned up with the chauffeur to pick him up from school . '' Vodden died of the immune system disease lupus in 2009 .