The ruin of Capel Lligwy dates back to the first half of the 12th century - a time when many churches on Anglesey in north-west Wales were first built in stone following the end of Viking raids and attempts by the Normans to gain control of the island. Due to its isolation at the time and lack of Welsh records the reason for its construction, and the saint to whom it was dedicated, are shrouded in mystery. Historians suggest that it may originally have been a memorial chapel, or connected to a royal court nearby. What we do know is that for a time Capel Lligwy was used as a private place of worship for Lligwy House, a "venerable mansion" which disappeared in the late 18th century. The chapel has slowly fallen into ruin ever since, and is now a lonely medieval relic used by sheep as a glorified shelter from the weather.