Angoulême, Charles de Valois, comte d'Auvergne, duc d'

Angoulême, Charles de Valois, comte d'Auvergne, duc d'

(shärl də välwä` kôNt dōvĕrn`yə dük däNgo͞olĕm`), 1573–1650, illegitimate son of King Charles IX of France. He turned against King Henry IV, conspired with Henriette d'Entragues, his half-sister, and was imprisoned until 1616. After his release he held military commands. He left memoirs.