William Constable-Maxwell, 10th Lord Herries Scottish landowner (1804–1876) Parents Theresa Apollonia Wakeman Marmaduke William Constable-Maxwell Children Joseph Constable-Maxwell-Scott William Constable-Maxwell Walter Constable Constable-Maxwell Bernard Constable-Maxwell Mary Anne Constable-Maxwell Marmaduke Constable-Maxwell, 11th Lord Herries of Terregles Siblings Theresa Constable-Maxwell Mary Constable-Maxwell Joseph Constable-Maxwell Henry Constable-Maxwell-Stuart, 16th of Traquair Peter Constable Constable-Maxwell Marmaduke Constable-Maxwell of Terregles Partners Marcia Vavasour