The Duke is a major character in the first segment of Disney Princess Enchanted Tales: Follow Your Dreams. He is King Stefan and Queen Leah's right-hand man and is in charge of keeping peace in the Kingdom. He was voiced by Jeff Bennett.
The Duke appears to have a similar background to that of the Grand Duke in Cinderella, both characters appear as slender middle age men with black hair who work beside their respective Kings assisting in their Kingdom's politics.
The Duke is seen assisting Aurora with signing papers and dealing the with the kingdom's populace.