William Mary Morres (1760-1809) (1760–1809) Parents Hervey Morres, 1st Viscount Mountmorres Mary Wall Children unknown daughter Morres Siblings Francis Hervey de Montmorency, 3rd Viscount Mountmorres Letitia Morres Sarah Morres Hervey Redmond Morres, 2nd Viscount Mountmorres Partners Anne Clarke