HMS Rupert explained

Several ships of the Royal Navy have been named HMS Rupert or derivatives of the name, after Prince Rupert of the Rhine, son of Frederick V, Elector Palatine and a famous Royalist cavalry commander during the English Civil War.

, launched in 1666 was a third-rate ship of the line which served in the navy for 103 years.
of 1692 was a sixth-rate ship captured by the above ship of the line during the Nine Years' War.
of 1741 was a sloop captured by the above ship of the line during the War of Jenkins' Ear.
, launched in 1872 was a turret ram battleship prototype sold in 1907.
of 1915 was a First World War Royal Navy monitor.
HMS Rupert (1929) was a ordered in February 1929 but suspended in August, then cancelled.^[1]
of 1943 was a purchased from the United States during World War II.

Notes and References

Book: Johnston . Ian . Beardmore built: the rise and fall of a Clydeside shipyard . 1993 . Clydebank District Libraries & Museums Dept . Clydebank . 0-906938-05-8 . 143.