Fan Casting Rowena Ravenclaw in The Founders of Hogwarts Prequel

The founder of Ravenclaw house. A sharp and intelligent woman, intellect is a highly valued asset to the students of Ravenclaw house. Due to this, it is likely that Rowena wanted to make Hogwarts the very finest Wizarding school on earth, teaching those children with the highest intelligence. Rowena also had a daughter, Helena, who later became the Grey Lady of Hogwarts as a ghost. Helena stole her mother's diadem, and it became lost. It was believed to have been lost for so long that no one alive had seen it; however, it had actually been found by Lord Voldemort with the aid of the ghost of Ravenclaw's daughter. He turned it into a Horcrux and later hid it once more, this time within the Room of Requirement, where it would remain hidden for at least 50 years. She was the best friend of Helga Hufflepuff. Her house corresponds to the element of air.