Jasper Arryn
Jasper Arryn headed House Arryn as Lord of the Eyrie, a seat that carried with it the titles of Defender of the Vale and Warden of the East.
His tenure ran across three successive Targaryen reigns, a measure of how long he held the Vale under his rule.
Chapter 1
Warden of the East
Books only
His time atop the Vale spanned three successive Targaryen monarchs: first Maekar I, then Aegon V, and finally Jaehaerys II.
Concentrating the lordship of the Eyrie, the defense of the Vale, and the wardenship of the east in one person made him the region's foremost military and political authority.
Chapter 2
The lord's children
Books only
He counted three offspring in his line: Jon, Alys, and Ronnel, who would carry the Arryn name into the house's next generation.