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There was once a great of England who was called William the Conqueror, and he had three sons. One day King William to be thinking of something that made him very sad; and the wise men who were about him him what was the matter. "I am thinking," he said, "of what my sons do after I am dead. For, unless they are and strong, they cannot keep the which I have won for them. Indeed, I am at a loss to know which one of the three to be the king when I am gone."