House Arryn is one of the Great Houses of Westeros, known for its stronghold, the Eyrie, which is located high in the Mountains of the Moon. The house is sigil features a white falcon and a crescent moon on a blue field. They are sworn to protect the Vale of Arryn and have a long history of loyalty to the Iron Throne. The head of House Arryn is known as the Lord of the Eyrie. The house has produced notable figures, including Jon Arryn, who served as Hand of the King to Robert Baratheon. House Arryn is known for its strong sense of honor and commitment to justice.