What is the {human} for {relative} of {Katie Ledecky}
Who is relative of Katie Ledecky?
Who is Katie Ledecky related to?
SELECT DISTINCT ?q WHERE { ?q rdf:type ontology:human . ?q property:relative resource:Katie_Ledecky }
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/P1038> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q137374> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?sbj where { ?sbj wdt:P1038 wd:Q137374 . ?sbj wdt:P31 wd:Q5 } 
Jon Ledecky