 Due to the tight relationship between the family of Verdun who erected the church and the Imperial family, it was proposed the presence of a throne similar to the Throne of Charlemagne in the Palatine Chapel of Aachen.When the plaster was removed from the walls of the church, an unknown history of the building was revealed.In the west choir, where at that moment was the main altar, it was discovered a series of blind niches closed with bricks and the traces of a portal opened in the original wall and later closed with bricks as well.