Aemon Targaryen was the
oldest man in Game of Thrones who had seen lots of king in his life. He himself
was to become a King but he rejected the throne and became a Maester at the
Citadel.
Aemon was the maester at
Castle Black, representing the Citadel of King's Landing, and one of Lord
Commander Jeor Mormont's closest advisors in the Night's Watch. He was born
Aemon Targaryen and was the last known Targaryen in Westeros. He was the great-uncle of
Daenerys Targaryen, and unknown to him, was the great-great uncle of
Jon Snow. His nephew was Aerys Targaryen, the mad king. His father was
Myca. Aemon died at the Night's Watch performing his duty as a sworn brother of
the Watch.
To recapitulate, Aemon
Targaryen is an old man who is seen giving advice to lord commander of the
Night’s Watch.