|!||This content is considered pre-canon.|
While the subject of this article or section is based on official information, it was replaced or heavily revised in later versions of the legendarium.
Idis was the daughter of Théoden and Elfhild in an early draft of The Lord of the Rings but was soon removed by Tolkien from the story, once the idea arose of Théoden adopting Éomer and Éowyn. His only child remained Théodred, his son.
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