What is {relative} of {Sixtus IV} that is {type of kinship} is {grandnephew} ?
give me the name of the grandnephew of Sixtus IV?
Who is the grandnephew of Sixtus IV?
SELECT ?a WHERE { ?m property:kinship_to_subject resource:grandnephew . ?m property:relative ?a . resource:Sixtus_IV property:relative ?m }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q163514> .
?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> ?obj .
?statement <http://www.wikidata.org/entity/P1039> <http://wikidata.dbpedia.org/resource/Q4113832>
} 

SELECT ?obj WHERE { wd:Q163514 p:P1038 ?s . ?s ps:P1038 ?obj . ?s pq:P1039 wd:Q4113832 }