Billiet Alexis a French prelate, was born in 1783. In 1825 he was made bishop of Maurienne; in 1840, archbishop of Chambery. In 1861 he was appointed cardinal, and died April 30, 1873, being at the time of his death senior of the French clergy and the oldest member of the college of cardinals. He wrote, Memoires pour servir a l'Histoire de Diocese de Chambery (1865). (B.P.).