St. Maria ad Gradus

St. Maria ad Gradus is the name of a former church located East of the Cathedral of Cologne, Germany, situated between the cathedral and the Rhine. Founded by Herman II, Archbishop of Cologne, the church was the burial site of blessed Richeza of Lotharingia (died March 1063), a former Queen of Poland and a grandchild of Otto II, Holy Roman Emperor and his wife Theophanu.

From Wikipedia, CC BY-SA 4.0.

• history