Lady Katherine Beauclerk (1877-1958) (1877–1958) Parents Grace Bernal-Osborne William Beauclerk, 10th Duke of St Albans Children John Somerset Edward Somerset Henry Somerset Siblings Lady Alexandra Beauclerk Osborne Beauclerk, 12th Duke of St Albans Lord William Beauclerk Moyra Beauclerk Sybil Beauclerk Charles Beauclerk, 11th Duke of St Albans Lady Louise Beauclerk Partners William Lambton Henry Somerset