what is the {type of kinship} for {Carl Maria von Weber} has {relative} as {Constanze Mozart} ?
Carl Maria von Weber is related to Constanze Mozart in what way?
How are Carl Maria von Weber and Constanze Mozart related?
SELECT ?c WHERE { ?n property:kinship_to_subject ?c . resource:Carl_Maria_von_Weber property:relative ?n . ?n property:relative resource:Constanze_Mozart }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q154812> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1038> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q84464> .
?statement <http://www.wikidata.org/entity/P1039> ?value. 
} 

SELECT ?value WHERE { wd:Q154812 p:P1038 ?s . ?s ps:P1038 wd:Q84464 . ?s pq:P1039 ?value}