From A Wiki of Ice and Fire
|Alias||the Winged Knight|
|Title||Ser and King of Mountain and Vale|
|Born||In a time before the Andal invasion|
|Book(s)||A Feast for Crows|
Ser Artys Arryn, also known as the Winged Knight, is a legendary Andal leader who crossed the narrow sea from the hills of Andalos in Essos. He became the first King of Mountain and Vale and founded House Arryn.
According to legend Ser Artys was an Andal leader who set out from Essos to conquer Westeros and spread the Faith of the Seven. He commanded the forces that drove the First Men and the children of the forest out of the Vale of Arryn. He flew to the top of Giant's Lance on the back of a giant falcon to slay the Griffin King. There are hundreds of tales recording his adventures. He is said to have been the first King of Mountain and Vale.