King Jaehaerys I Targaryen, remembered as the Old King and as Jaehaerys the Conciliator, was the fourth king of the Targaryen dynasty and the longest-reigning monarch in the history of the Seven Kingdoms. A dragonrider mounted on the bronze dragon Vermithor, he is featured in HBO's House of the Dragon.
Renowned for building the Kingsroad and for reconciling the Iron Throne with the Faith of the Seven, he convened a Great Council at Harrenhal to settle his succession, naming his grandson Viserys his heir before his death. This overview summarizes his depiction and background; see the Timeline and sourced statements for detail.
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