History or legend tells us that the following people have spent time at Ételan : Louis XI (6 June – 13 July 1475), Francis I (during the construction of le Havre), Catherine de' Medici and Charles IX with the future kings Henry III and Henry IV, Marguerite de Navarre and Michel de l'Hôpital (August, 1563), Voltaire (1723–1724). André Caplet, composer and winner of the Grand Prix of Rome often stayed in Ételan and composed some of his works there including " Mass for three voices".