 The territory was autonomous within the Kingdom of Ireland until 1576, when its Queen Grace O'Malley agreed to the surrender and regrant policy, whereby she would agree to accept English inheritance law, and in return would be given her land back with a new set of official title deeds.On her death the lands were inherited by her son Tibbot "ne Long".Knox says of Murrisk "With Burrishoole it forms the kingdom of Aicill and Umall, which comes into history at the battle of Moy Lena.