 Complete the following phrase:  However, in 1852, Ingres, then seventy-one years of age, married forty-three-year-old Delphine Ramel, a relative of his friend Marcotte dArgenteuil. Ingres was rejuvenated, and in the decade that followed he completed several significant works, including the portrait of Princesse Albert de Broglie, née Joséphine-Eléonore-Marie-Pauline de Galard de Brassac de Béarn. In 1853 he began the Apotheosis of Napoleon I, for the ceiling of a hall in the Hôtel de Ville, Paris. It was destroyed in May 1871 when the Paris Commune set fire to the building. With the help of assistants, in 1854 he completed another history painting, Joan of Arc at the Coronation of Charles VII. A retrospective of his works was featured at the 