Marmaduke Constable-Maxwell, 11th Lord Herries of Terregles British ceremonial officer (1837–1908) Parents William Constable-Maxwell, 10th Lord Herries Marcia Vavasour Children Gwendolen Fitzalan-Howard, Duchess of Norfolk Angela Constable-Maxwell Siblings William Constable-Maxwell Walter Constable Constable-Maxwell Bernard Constable-Maxwell Mary Anne Constable-Maxwell Joseph Constable-Maxwell-Scott Partners Angela Fitzalan-Howard