Duncan the Tall - A Wiki of Ice and Fire

Duncan the Tall was a Lord Commander of the Kingsguard during the reign of King Aegon V Targaryen. His personal arms were a green shooting star above an elm tree proper on sunset,[1][7] but he also briefly used the sigil of an unknown knight, "a hanged man swinging grim and gray beneath a gallows tree."[3]

A song of Ice and Fire - Duncan the Tall- Ser Duncan the Tall was

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Duncan the Tall, A Song of Ice and Fire Wiki

Duncan the Tall - A Wiki of Ice and Fire

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Is the character Duncan the Tall from “A Song of Ice and Fire