Pierre Blanchy was a French politician, who served as acting Minister of State

Minister of State (Monaco)

The Minister of State is the head of the government of Monaco, though he is appointed by and subordinate to the Prince or Princess of Monaco. During his term, he is responsible for leading the government's action and is in charge of foreign relations...

 for Monaco

Monaco

Monaco , officially the Principality of Monaco , is a sovereign city state on the French Riviera. It is bordered on three sides by its neighbour, France, and its centre is about from Italy. Its area is with a population of 35,986 as of 2011 and is the most densely populated country in the...

 three times. This was between 1944 and 1963. He served under the monarchy of both Rainier III

Rainier III, Prince of Monaco

Rainier III, Prince of Monaco , styled His Serene Highness The Sovereign Prince of Monaco, ruled the Principality of Monaco for almost 56 years, making him one of the longest ruling monarchs of the 20th century.Though he was best known outside of Europe for having married American...

 and Louis II

Louis II, Prince of Monaco

Louis II was Prince of Monaco and Duke of Valentinois from 27 June 1922 until 9 May 1949.-Early years:Born Louis Honoré Charles Antoine Grimaldi in Baden-Baden, Germany, he was the only child of Prince Albert I of Monaco , and Lady Mary Victoria Hamilton...

. During his career he never served under one single party. Every time he was independent or was chosen as acting minister. He was succeeded by Jean Reymond

Jean Reymond

Jean Émile Reymond was an ex-minister of state for Monaco. He was in office from 1963 to 1966.-References:...

for the final time in 1963 after dedicated service of nearly 20 years.