Rowena Ravenclaw, Pottermore Wiki

Rowena Ravenclaw was one of the four Founders of Hogwarts School of Witchcraft and Wizardry and gave her name to Ravenclaw House. Noted for her cleverness and creativity, Ravenclaw was regarded as "the most brilliant witch of her time." Her daughter was Helena Ravenclaw, who later became the Ravenclaw house ghost, The Grey Lady. Rowena Ravenclaw Chocolate Frog Card Rowena Ravenclaw on the Harry Potter Wiki

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Rowena Ravenclaw, Wiki

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