Duncan Grinnell-Milne British flying ace (1896–1973) (1896–1973) Parents Maria Caroline Mess George Grinnell-Milne Children Robin de la Lanne-Mirrlees Siblings Violet Elizabeth Grinnell-Milne Muriel Helen Lycette Grinnell-Milne Partners Frances Lalanne Pauline Alice Margaret Lemieux Blanca de Undurraga y Sandiford