Sarah Lennox, Duchess of Richmond and Lennox
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Sarah Lennox (18 September 1706–25 August 1751), was born Lady Sarah Cadogan the daughter of William Cadogan (later 1st Earl Cadogan). On 4 December 1719, she married Charles Lennox, Earl of March at The Hague and in 1723, Charles succeeded to his father's title of Duke of Richmond, whereupon Sarah became Duchess of Richmond. Sarah was Lady of the Bedchamber to Queen Caroline from 1724 to 1737.