Carved stones at the priory show that Irish - Norse Vikings settled here in the 10th century .
She was said to be an Irish princess who fled across the Irish Sea to where St Bees now lies to avoid an enforced marriage .
Carved stones at the priory show that Irish Sea - Norse Vikings settled here in the 10th century .
She was said to be an Irish princess who fled across the Irish Sea to where St Bees now lies to avoid an enforced marriage .