Rouen Cathedral or the Cathedrale Notre-Dame de Rouen is a Roman Catholic Gothic cathedral in Rouen. This historic building is situated in northwest of France. Moreover, it is the seat of the Archbishop of Rouen and Normandy. From the period 1876 and 1880, the Rouen Cathedral was known as the tallest building with 151 m of height in the world. The cathedral contains the tomb of Roll, one of the ancestors of Richard and also the founder and the first ruler of the Viking principality.