The Duke of Grafton is a title in the British peerage, created in 1675. It is associated with the House of FitzRoy, a family that descends from King Charles II and his mistress, Barbara Villiers. The title has been held by several notable individuals, contributing to British politics and society. The current Duke of Grafton, as of 2023, is Henry FitzRoy, the 12th Duke. The family seat is Euston Hall in Suffolk, England. The Duke's role includes ceremonial duties and participation in various charitable activities, reflecting the responsibilities of modern British nobility.