Catherine Beauclerk, Duchess of St Albans

British duchess, wife of the 5th Duke of St Albans (1742–1789)

Parents

• William Ponsonby, 2nd Earl of Bessborough
• Lady Caroline Cavendish

Children

• Aubrey Beauclerk, 6th Duke of St Albans
• Lady Georgiana Beauclerk
• Lord Frederick Beauclerk
• Lady Catherine Beauclerk
• Lady Caroline Beauclerk
• Amelius Beauclerk
• William Beauclerk, 8th Duke of St Albans

Siblings

• Lady Charlotte Ponsonby
• Frederick Ponsonby, 3rd Earl of Bessborough

Partners

• Aubrey Beauclerk, 5th Duke of St Albans