In 1277 King Edward "Longshanks" I of England (age 37) and Llewellyn "Last" Aberffraw (age 44) signed the Treaty of Aberconwy by which Llewellyn "Last" Aberffraw (age 44) agreed that Welsh self-rule would end with the death of Llewellyn "Last" Aberffraw (age 44). As part of the Treaty Owain "The Red" Aberffraw (age 45) was released from Dolbadarn Castle [Map].