Marmaduke Constable-Maxwell of Terregles (1806-1872) (1806–1872) Parents Marmaduke William Constable-Maxwell Theresa Apollonia Wakeman Children Siblings Theresa Constable-Maxwell Mary Constable-Maxwell Joseph Constable-Maxwell William Constable-Maxwell, 10th Lord Herries Henry Constable-Maxwell-Stuart, 16th of Traquair Peter Constable Constable-Maxwell