Rainier III, Prince of Monaco of Monaco, the Palais Princier announced that Rainier's son, Hereditary Prince Albert, would take over the duties of his father as regent since Rainier was no longer able to exercise his royal functions. On 1 April 2005, the Palace announced that Rainier's doctors believe his chances of recovery were "slim". On 6 April, Prince Rainier died at the Cardiothoracic Center of Monaco at 6:35 AM local time at the age of 81. He was succeeded by his only son, who became Prince Albert II. He was buried on 15 April 2005, beside his wife, Princess Grace, at the Cathedral of
Honoré V, Prince of Monaco Honoré V, Prince of Monaco Honoré V (13 May/14 May 1778 in Paris – 2 October 1841 in Paris) was Prince of Monaco and Duke of Valentinois. He was born Honoré Gabriel Grimaldi, the first son of Honoré IV of Monaco and Louise d'Aumont. A professor of the period, one Victor de la Canorgue, wrote of Prince Honoré in negative terms: extravagant and fond of luxuries for himself, but miserly for others, even his own family, to whom he gave "pensions disproportionate to his means." This professor endeavored to collect accounts of the reigns of Honoré V and of his