The Earl of Hertford is a title in the British peerage, first created in 1559 for Edward Seymour, a prominent figure during the reign of Queen Elizabeth I. The title has been held by various members of the Seymour family, who have played significant roles in English history. The current holder of the title is the Marquess of Hertford, who is the heir apparent. The earldom is associated with the county of Hertfordshire in England, and its holders have historically been involved in politics, land management, and social affairs within the region.