sentences:  Up into the early Middle Ages it was known by the Latin name "Divitia", from the 10th century as "Tuitium".It was located on the right bank of the Rhine, opposite Cologne, which grew up on the left bank.In 1002, the old castle in Deutz was made a Benedictine monastery by Heribert, archbishop of Cologne, and the important abbey was home to many influential theologians, such as Rupert of Deutz.