William Beauclerk, 10th Duke of St Albans British Liberal politician (1840-1898) (1840–1898) Parents Elizabeth Catherine Gubbins William Beauclerk, 9th Duke of St Albans Children Sybil Beauclerk Lady Louise Beauclerk Charles Beauclerk, 11th Duke of St Albans Lady Katherine Beauclerk Moyra Beauclerk Lady Alexandra Beauclerk Osborne Beauclerk, 12th Duke of St Albans Lord William Beauclerk Siblings Lady Charlotte Beauclerk Diana de Vere Beauclerk Partners Grace Bernal-Osborne Lady Sybil Grey