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Sarah Frances Seymour-Conway
Lady Sarah Frances Seymour-Conway was the first wife of Robert Stewart, later first Marquess of Londonderry, and the mother of Robert Stewart, Viscount Castlereagh. She died while Castlereagh was an infant.
EARLY LIFE
CAREER
DEATH
Her father wrote to Horace Walpole on July 23, 1770 that Sarah had died on July 18 after several days of fever while seven or eight months pregnant. Later genealogies sometimes give July 20 instead.
POPULAR BIOGRAPHIES
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