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In page Philip Henry Stanhope, 4th Earl Stanhope:

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*Catherine Lucy Wilhelmina Stanhope (1819–1901), a historian known as the "Duchess of Cleveland", author of the Battle Abbey Roll, who married twice: **Firstly to Archibald Primrose, Lord Dalmeny (1809–1851), by whom she had children, including Archibald Primrose, 5th Earl of Rosebery, Prime Minister of the United Kingdom.