Susan Fraser King wrote Lady Macbeth, a 1982 historical novel about Gruach. King asserts that the book is as deeply rooted in fact as possible.
Gloria Carreño's 2009 play A Season Before the Tragedy of Macbeth premiered by British Touring Shakespeare 2010, also sheds new light on the central character, Gruach Macduff. The play considers events up to the opening of the letter from the three witches in Shakespeare's tragedy.
David Greig's 2010 play Dunsinane, in which she is known as Gruach and outlives Macbeth.
^It is not entirely certain that the Cináed father of Boite was Cináed mac Duib rather than Kenneth II. Both possibilities are admitted by Duncan, p. 345, table A, although most sources, e.g. Woolf, favour Cináed mac Duib.