Robert Bertie, 4th Duke of Ancaster and Kesteven

Parents

• Peregrine Bertie, 3rd Duke of Ancaster and Kesteven

Children

Siblings

• Priscilla Bertie, 21st Baroness Willoughby de Eresby
• Georgina Cholmondeley, Marchioness of Cholmondeley
• Peregrine Thomas Bertie, Marquess of Lindsey
• unknown daughter Bertie