OSM tag name=Unionskirche matches Unionskirche in these Wikidata fields:
OSM tag name=Unionskirche matches Unionskirche, Idstein in these Wikidata fields:
| 14th-century churches in Germany | amenity=place_of_worship, man_made=tower, building=church, disused:amenity=place_of_worship |
| 17th-century Protestant churches | amenity=place_of_worship, man_made=tower, building=church, disused:amenity=place_of_worship |
| Churches completed in 1350 | amenity=place_of_worship, man_made=tower, building=church, disused:amenity=place_of_worship |
| Churches completed in 1677 | amenity=place_of_worship, man_made=tower, building=church, disused:amenity=place_of_worship |
| Former collegiate churches in Germany | amenity=place_of_worship, man_made=tower, building=church, disused:amenity=place_of_worship |
| Protestant churches in Hesse | amenity=place_of_worship, man_made=tower, building=church, disused:amenity=place_of_worship |