A document in the archives of the monastery shows that in 842, Íñigo bestowed the town and lands of Yesa on Leyre ("Ego rex Eneco concedo..."), although the authenticity of the document recording this grant is disputed.
一份修道院內檔案庫的文件顯示出在842年，伊尼哥將耶薩（Yesa）的城鎮及土地賜與雷伊雷（「Ego rex Eneco concedo...」），雖然此文件記錄這個捐贈的真偽是受到爭議的。