A room in Caesar's Tower nicknamed the "Mary Queen of Scots" was originally thought to be the location due to its cell-like appearance however it is likely she was held in the " Old Mayoress's Parlour".
Et rum i Caesar's Tower der kaldes "Mary Queen of Scots" blev oprindeligt antaget at have været brugt til formålet grundet dets celle-lignende udseende, men det er mere sandsynligt, at hun blev holdt fanget i " Old Mayoress's Parlour".