Frances Seymour, Countess of Hertford (née Thynne; 10 May 1699 – 7 July 1754), later the Duchess of Somerset, was a British courtier and the wife of Algernon Seymour, Earl of Hertford, who became the 7th Duke of Somerset in 1748. She was also known as a poet, literary patron and woman of letters. Her great-aunt by marriage, Anne Finch, Countess of Winchilsea, influenced her literary development. She was also influenced by the poet Elizabeth Singer (later Rowe), with whom she became acquainted in her youth at Longleat, where she grew up.
Early life
She was the daughter of Henry Thynne (1675–1708) and his wife Grace, and the granddaughter of Thomas Thynne, 1st Viscount Weymouth, a distant relation of her future husband. After her father's death in 1708, Frances and her mother moved to Leweston, the home of her maternal grandfather, Sir George Strode.
Marriage and issue
She married Algernon Seymour, Earl of Hertford, , when she was sixteen and he was thirty. The