Perhaps this will be of use:
Quote:
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Námo the elder [Fëanturi] dwells in Mandos, which is westward in Valinor. He is the keeper of the Houses of the Dead, and the summoner of the spirits of the slain. He forgets nothing; and he knows all things that shall be, save only those that lie still in the freedom of Ilúvatar.
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So, yes, he did have foresight.