Peregrine Bertie, 2nd Duke of Ancaster and Kesteven British noble (1686–1742) Parents Mary Wynn Robert Bertie, 1st Duke of Ancaster and Kesteven Children Peregrine Bertie, 3rd Duke of Ancaster and Kesteven Brownlow Bertie, 5th Duke of Ancaster and Kesteven Lady Mary Bertie Caroline Bertie unknown daughter Bertie Albinia Beckford Lady Jane Bertie Siblings Robert Bertie, Lord Willoughby unknown son Bertie Lord Montague Bertie Vere Bertie unknown daughter Bertie unknown son Bertie Partners Jane Brownlow
