On 16 Jun 1722 John Churchill 1st Duke Marlborough (age 72) died at Cranbourne Lodge, Windsor. His daughter Henrietta Churchill 2nd Duchess Marlborough (age 40) succeeded 2nd Duchess Marlborough, 2nd Marchioness of Blandford, 2nd Countess of Marlborough, 2nd Baroness Churchill of Sandridge in Hertfordshire. Francis Godolphin 2nd Earl Godolphin (age 43) by marriage Duke Marlborough.

On 24 Sep 1953 Jacobo Fitz-James Stuart 17th Duke of Alba 10th Duke of Berwick (age 74) died. His daughter María del Rosario Cayetana Fitz-James Stuart 18th Duchess of Alba 11th Duke of Berwick (age 27) succeeded 18th Duchess Alba, 16th Duchess Veragua, 11th Duchess of Jérica, 11th Duchess of Liria, 11th Duchess Berwick.