Subject of much Christian art (5)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
pieta
(Other definitions for pieta that I've seen before include "Sculpture of Mary with Christ's body" , "statue of mary with body of christ" , "mournful image" , "Image of Mary with the body of Christ" , "Tape I made of Mary and body of Jesus" .)