On his death , in 1197 , he was buried in the grounds of the abbey .
When advanced in years , Prince Owain retired to the monastery and took the habit of the Cistercian monks .
On Owain 's death , in 1197 , Owain was buried in the grounds of the abbey .
When advanced in years , Prince Owain retired to the monastery and took the habit of the Cistercian monks .