Languages of Monaco Monaco, their tongue was threatened with extinction in the 1970s. However, the language is now being taught in schools. In the old part of Monaco, the street signs are marked with Monégasque in addition to French. During his accession ceremonies in 2005, Albert II, Prince of Monaco, made a speech to his people in Monégasque. Standard Italian is also a major language in Monaco. Italian nationals make up 19% of the total population. Italian was the ancestral language of the ruling House of Grimaldi, and was the official language of Monaco when it was a protectorate of the Kingdom of
Prince's Palace of Monaco Juliette Louvet, by whom he had a daughter, Charlotte Louise Juliette, born in Algeria in 1898. As Prince of Monaco, Louis II spent much time elsewhere, preferring to live on the family estate of Le Marchais close to Paris. In 1911 Prince Louis had a law passed legitimising his daughter so that she could inherit the throne, in order to prevent its passing to a distant German branch of the family. The law was challenged and developed into what became known as Monaco succession crisis. Finally in 1919 the prince formally adopted his illegitimate daughter Charlotte, who became known as