What is the {human} for {family} of {Koch family}
What are the names of the members of the Koch family?
Who are the members of the Koch family?
SELECT DISTINCT ?x WHERE { ?x rdf:type ontology:human . ?x property:family resource:Koch_family }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P53> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q2896603> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?sbj where { ?sbj wdt:P53 wd:Q2896603 . ?sbj wdt:P31 wd:Q5 } 
Charles Koch David H. Koch