Maud McNeill Whistler Franklin was the daughter of Whistler and Maud Franklin; she died young. Her younger sister was Ione, who later married Warwick Tyler.
MacDonald, Margaret F., 'Maud Franklin', in: Ruth Fine (ed.), James McNeill Whistler: A Reexamination, Studies in the History of Art, vol. 19, Washington, DC, 1987, pp. 13-26 .