His remains were removed to Glastonbury Abbey in 1091.
At that time the manor belonged to Glastonbury Abbey.
A pilgrimage to the ruins of Glastonbury Abbey was held by a few local churches in 1924.
In 1292 it belonged to Glastonbury Abbey and was valued at 35 marks.
John detects the lost books of the destroyed Glastonbury Abbey.
Sigeric was educated at Glastonbury Abbey, where he took holy orders.
The church was very powerful at this period, particularly Glastonbury Abbey.
It is known that he was present at Glastonbury Abbey in 1408, with scores of other influential noblemen.
Later that night, the three arrived at Glastonbury Abbey to meet with Cheltingham.
In the later Medieval period, the island came under the control of Glastonbury Abbey.