How many of Ernest Boiceau's countrymen spoke the same language as him in 2015?
Ernest Boiceau: Ernest Boiceau (November 30, 1881 - March 16, 1950), born in French speaking Lausanne was a Swiss designer and decorator of the interwar period. Swiss French: Swiss French (French: "français de Suisse" ) is the variety of French spoken in the French-speaking area of Switzerland known as Romandy.
i don't know