Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Cologne Cathedral' has mentioned 'Relics' in the following places:
Occurrence Sentence Text Source
(Parts of the relics have since been returned to Milan.)
The relics have great religious significance and drew pilgrims from all over Christendom.
It is traditionally believed to hold the remains of the Three Wise Men, whose relics were acquired by Frederick Barbarossa at the conquest of Milan in 1164.