Prince Ranier was a "Prince" not a king because Monaco was a Principality and not a Kingdom. Monarchs of Principality are p\Princes, and monarchs of kingdoms are Kings.
Prince Ranier III.
monaco in 1956
The Sa Hauteur Royale of Monaco is Prince Albert. His full name is Prince Albert Alexandre Louis Pierre Grimaldi II. Even though his title is as prince, Prince Albert is actually the King, but Monaco is a Constitutional Monarch.
First as a film star then as wife of Prince Ranier of Monaco.
The royal family of Monaco, the Grimaldis, currently had Prince Albert on the throne. His parents, Ranier III and Grace Kelly, also had two daughters, Princess Caroline of Hanover and Princess Stephanie of Monaco.
Monaco is a principality it does not have a king as it's titular ruler but rather a prince. The current ruler of Monaco is Prince Albert ll
Prince Rainer who married Grace Kelly was Ranier III. His full name was Rainier Louis Henri Maxence Bertrand de Grimaldi. He became ruler of Monaco in 1949.
There is no King of Monaco. Monaco is a Principality and is reigned over by Prince Albert ll.
Monaco is a constitutional monarchy headed by Prince Albert II.
There is not a king in Monaco. Monaco is however a Principality with Prince Albert currently at the head.
He is not related to any French King
Prince Albert II currently governs the principality of Monaco. He has been the Prince of Monaco since 2005. Monaco is a principality governed under a form of constitutional monarchy.