The Duchy of Orléanais () is a former province of France, which was created during the Renaissance by merging four former counties and towns. However after the French Revolution, the province was dissolved in 1791 and succeeded by five départments (less some communes to others). Dukedom The Duchy of Orléanais was created in 1344 by raising the former County of Orléans to a Dukedom under King Philip VI for his second son Philip de Valois. With the creation of the duchy, several localities around the former county were also integrated, they included the County of Beaugency and the Seigneurities of Neuville-aux-Bois, Yèvre-le-Châtel, Châteauneuf-en-Thymerais, Lorris, and Boiscommun. In 1375, Prince Philip died without a legitimate heir, the title of 'Duke of Orléans' and the duchy itself were merged into the royal domain (crown lands) of the King of France. In 1392, the duchy was re-created by King Charles VI for his younger brother Louis de Valois-Orléans. The duke was later succeeded by his son Charles de Valois-Orléans who reigned until 1465 when he died of natural causes. He was succeeded by his own son Louis de Valois-Orléans, who became King Louis XII in 1495 and the title was merged into the crown once more. In 1519, the dukedom was once again created by King Francis I for his second son Henri de Valois-Angoulême. However, Henri later renounced his title when he became Dauphin of France (heir to the throne) in 1536. He was then succeeded by his son Charles de Valois-Angoulême who reigned as duke until he died of the flu in 1545. In 1549, the dukedom was again created for the one year old Prince Louis de Valois-Angoulême, who died just a few months into his tenure. He was succeeded by his older brother Charles, who became King Charles IX in 1560 and renounced his dukedom. Charles was succeeded by Henri de Valois-Angoulême, but dropped his title in 1566 in exchange for the Dukedom of Anjou. In February 1566, the title was transferred to Queen Consort Chatherine de' Medici as Duchess of Orléans. She died in 1589 and the dukedome was once again merged into the crown. In 1626, Louis XIII re-created the Dukedom of Orléans for his younger brother Gaston, Duke of Anjou who reigned as duke until 1660 when he died of natural causes. One again the title merged into the crown for the last time. Finally in