Did {George_IV_of_the_United_Kingdom} {sibling} {Edward VIII} and {Prince Alfred of Great Britain} ?
Is George IV of the United Kingdom the sibling of Edward VIII and Prince Alfred of Great Britain?
ASK WHERE { wd:Q130586 wdt:P3373 wd:Q590227 . wd:Q130586 wdt:P3373 wd:Q2140119 }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q130586> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3373> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q590227>. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q130586> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3373> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q2140119>. } 
Is George IV of the United Kingdom the brother of both Edward VIII and Prince Alfred of Great Britain?