During his childhood, Louis XIV was taken care of by the governesses Françoise de Lansac and Marie-Catherine de Senecey. In 1646, Nicolas V de Villeroy became the young king's tutor. Louis XIV became friends with Villeroy's young children, particularly François de Villeroy, and divided his time between the Palais-Royal and the nearby Hotel de Villeroy.
Source: Wikipedia
At the time of his death, Robespierre had no debts, and his property was sold at auction in the Palais Royal early in 1796, fetching 38,601 livres (over £100).
Source: Wikipedia
Originally called the Palais-Cardinal, the palace was the personal residence of Cardinal Richelieu. The architect Jacques Lemercier began his design in 1629; construction commenced in 1633 and was completed in 1639. Upon Richelieu's death in 1642 the palace became the property of the King and acquired the new name Palais-Royal.
Source: Wikipedia