The House of Salisbury is a prominent English noble family with roots tracing back to the medieval period. It is known for its significant influence in British politics and society, particularly during the Tudor and Stuart eras. The family has produced several notable figures, including statesmen and military leaders, who have played key roles in shaping the history of England. The most famous member of the House of Salisbury is Robert Gascoyne-Cecil, the 3rd Marquess of Salisbury, who served as Prime Minister three times in the late 19th and early 20th centuries. The family holds the title of Marquess of Salisbury and has a long-standing connection to the Salisbury estate, which includes the historic Hatfield House.