Lady Mary Maitland (born 1938) (b. 1938) Parents Helena Ruth Perrott Ivor Maitland, Viscount Maitland Children Nicholas Biddulph, 5th Baron Biddulph Fiona Biddulph William Biddulph Siblings Lady Elizabeth Maitland Lady Anne Maitland Partners Robert Biddulph, 4th Baron Biddulph