The tower was added between 1200 and 1250, originally as twin towers, which were rebuilt in today's form first in 1651 and then in 1737.
Torn lisati ajavahemikus 1200 kuni 1250, algselt kaksiktornidena, mis ehitati ümber tänapäevasele kujule esmalt 1651. aastal ja siis 1737. aastal.