Elizabeth Spencer, Duchess of Marlborough (née Trevor; c. 1713 – 7 October 1761) was the wife of Charles Spencer, 3rd Duke of Marlborough.
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Early life
She was the daughter of Thomas Trevor, 2nd Baron Trevor of Bromham, Bedfordshire. Her paternal grandparents were the former Elizabeth Searle and Thomas Trevor, 1st Baron Trevor, a Chief Justice of the Common Pleas and Lord President of the Council.
Personal life
She married Charles Spencer, then Earl of Sunderland on 23 May 1732, becoming Countess of Sunderland. The Earl's grandmother, Sarah, Dowager Duchess of Marlborough, disapproved of the marriage because Elizabeth's grandfather, the 1st Baron Trevor, had been a political opponent. The dowager commented that "she has very bad teeth, which I think is an objection alone in a wife, and they will be sure to grow worse with time." Elizabeth became a duchess in the following year when her husband inherited the dukedom. Together, they had five children:
Lady Diana Spencer (1734–1808), who married Frederick St John, 2nd Viscount Bolingbroke. After his death, she married Topham Beauclerk, and had children from both marriages.
Elizabeth Herbert, Countess of Pembroke and Montgomery (1737–1831), who married Henry Herbert, 10th Earl of Pembroke, and had children.
