The story given to visitors by castle tour guides states that one seat in the chapel is always reserved for the `` Grey Lady '' -LRB- supposedly a ghost which inhabits the castle -RRB- , thought to be PERSON@1 , PERSON@2 .

One seat in the chapel is always kept empty for a ghost called the `` Grey Lady '' . The `` Grey Lady '' is thought to be PERSON@1 , PERSON@2 .
