Lord Montague Bertie Peerage person ID=26876 (1713–1753) Parents Robert Bertie, 1st Duke of Ancaster and Kesteven Albinia Farrington Children Augusta Bertie Siblings Vere Bertie unknown son Bertie unknown daughter Bertie Robert Bertie, Lord Willoughby unknown son Bertie Peregrine Bertie, 2nd Duke of Ancaster and Kesteven Partners Elizabeth Piers