What is {brother or sister} of {wife} of {L. Brent Bozell, Jr.} ?
What is the name of L. Brent Bozell Jr.'s wife's sibling?
Who is {brother or sister} of {L. Brent Bozell, Jr.} {wife}  ?
SELECT ?r WHERE { ?v property:sibling ?r . resource:L._Brent_Bozell,_Jr. property:spouse ?v }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q6456366> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P26>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?X . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?X. ?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> ?answer . }
SELECT ?answer WHERE { wd:Q6456366 wdt:P26 ?X . ?X wdt:P3373 ?answer}
William F. Buckley, Jr. James L. Buckley Priscilla Buckley Reid Buckley