 The Val-de-Grâce became Anne's main place of worship and would later gain dynastic significance during the Fronde when Anne was Queen Regent.In 1662, Anne acquired the heart of her ancestor, Anne Elizabeth of France, and placed it in the Chapel of Saint Anne.She, herself, was interred in 1666 in the Chapel of Saint Sacrament, alongside the body of Marguerite d'Arbouze.