Louisa Cavendish

(1779-1863) (1779–1863)

Parents

• Cornelius O'Callaghan, 1st Baron Lismore
• Frances Ponsonby

Children

• Lord Richard Cavendish
• Lord George Cavendish
• William Cavendish, 7th Duke of Devonshire

Siblings

• Mary O'Callaghan
• Elizabeth O'Callaghan
• George O'Callaghan
• Cornelius O'Callaghan, 1st Viscount Lismore
• Robert O'Callaghan

Partners

• William Cavendish