Francis Seymour-Conway, 1st Marquess of Hertford (1743-1822), was a British nobleman and politician. He was born into the Seymour family and became the 1st Marquess in 1796. He served as a Member of Parliament and held various political positions, including Lord Lieutenant of Ireland. Hertford was known for his significant contributions to the arts and architecture. He was a patron of the Royal Academy and played a role in the development of London's cultural landscape. His legacy includes the impressive Hertford House, which houses the Wallace Collection, a museum of fine and decorative arts.