Duke of Westminster

The baronetcy of the Grosvenor family was created by James I in 1622. Richard Grosvenor the 6th Baronet was created Baron Grosvenor of Eaton in 1761 and in 1784 became both Viscount Belgrave and Earl Grosvenor under George III. The title Marquess of Westminster was bestowed upon Robert Grosvenor the 2nd Earl Grosvenor at the coronation of William IV in 1831.

• Sir Richard Grosvenor, 1st Baronet (1584-1645)
• Sir Richard Grosvenor, 2nd Baronet
• Sir Thomas Grosvenor, 3rd Baronet (1656-1700)
• Sir Richard Grosvenor, 4rd Baronet (1689-1732)
• Sir Thomas Grosvenor, 5th Baronet (1693-1733)
• Sir Robert Grosvenor, 6th Baronet (-1755)
• Richard Grosvenor, 1st Earl Grosvenor[?], 7th Baronet (1731-1802)
• Robert Grosvenor, 1st Marquess of Westminster[?], 2nd Earl Grosvenor (1767-1845)
• Richard Grosvenor, 2nd Marquess of Westminster[?] (1795-1869)
• Hugh Lupus Grosvenor 1st Duke of Westminster[?], 3rd Marquess of Westminster (1825-1899)
• Hugh Richard Arthur Grosvenor, 2nd Duke of Westminster[?] (1879-1953)
• William Grosvenor, 3rd Duke of Westminster[?] (1894-1963)
• Gerald Hugh Grosvenor, 4th Duke of Westminster[?] (1907-1967)
• Robert George Grosvenor, 5th Duke of Westminster[?] (1910-1979)
• Gerald Cavendish Grosvenor, 6th Duke of Westminster (1951-)