The Citadel is an archive of information for George R.R. Martin's A Song of Ice and Fire.
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The only members of the house to appear are Lord Willum and his two sons, Josua and Elyas.
The arms and name of the house, as well as the names of Lord Willum’s sons, have been confirmed by the author to be a nod to Tad Williams and his fantasy trilogy, Memory, Sorrow, and Thorn.
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