Peerage Holding
Robert George Grosvenor
of Westminster (Dukedom)
Starting on: Sat 25th Feb 1967
Ending on: Mon 19th Feb 1979
Ordinality: 5
Robert George Grosvenor
of Westminster (Dukedom)
Starting on: Sat 25th Feb 1967
Ending on: Mon 19th Feb 1979
Ordinality: 5