Duke of Westminster
Dukes of Westminster (1874)
- Hugh Lupus Grosvenor, 1st Duke of Westminster (1825-1899)
- Hugh Richard Arthur Grosvenor, 2nd Duke of Westminster (1879-1953), grandson of 1st duke by eldest son
- William Grosvenor, 3rd Duke of Westminster (1894-1963), grandson of 1st duke by third son
- Gerald Hugh Grosvenor, 4th Duke of Westminster (1907-1967), grandson of 1st duke by elder son from second wife (sixth of all)
- Robert George Grosvenor, 5th Duke of Westminster (1910-1979), brother of 4th duke
- Gerald Cavendish Grosvenor, 6th Duke of Westminster (1951-), son of 5th duke
Heir Apparent: The duke's son, Hugh Richard Louis Grosvenor, Earl Grosvenor (b. January 29 1991)