Duke of Touraine was a title in the Peerage of France, relating
to Touraine. Arms of Philippe, Duke of Touraine, later Philip
II, Duke of Burgundy. Nowadays, they are arms of Touraine and
Indre-et-Loire It was first created in 1360 for Philip, youngest
son of King John II of France. He returned the duchy to the
Crown in 1363 on being made Duke of Burgundy and died in 1404.
The next creation was in 1386 for Louis, youngest son of King
Charles V of France. He returned the duchy to the Crown in 1392
on being made Duke of Orléans and died in 1407. The third
creation was in 1401 for John, fourth son of King Charles VI of
France. He became Dauphin of France in 1415 and died unmarried
in 1417. The next creation was in 1416 for Charles, youngest son
of King Charles VI of France, who succeeded his brother as
Dauphin in 1417. He succeeded as King Charles VII of France in
1422 when the title merged in the Crown. The fifth creation was
in 1423 for the Scottish nobleman Archibald Douglas, 4th Earl of
Douglas, a commander