OSM tag alt_name=Gnadenkirche matches Gnadenkirche in these Wikidata fields:
| Churches completed in 1907 | disused:amenity=place_of_worship, man_made=tower, building=church, amenity=place_of_worship |
| Churches in Hamburg | disused:amenity=place_of_worship, man_made=tower, building=church, amenity=place_of_worship |
| Former Lutheran churches | disused:amenity=place_of_worship, man_made=tower, building=church, amenity=place_of_worship |
| Romanesque Revival church buildings in Germany | disused:amenity=place_of_worship, man_made=tower, building=church, amenity=place_of_worship |
| Russian Orthodox church buildings in Germany | disused:amenity=place_of_worship, man_made=tower, building=church, amenity=place_of_worship |