What is the {human} for {mother} of {Richard I of England}
Who was Richard I of England's mother?
Who was Richard I of England's mother?
SELECT DISTINCT ?m WHERE { ?m rdf:type ontology:human . resource:Richard_I_of_England property:mother ?m }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q42305> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P25> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?obj where { wd:Q42305 wdt:P25 ?obj . ?obj wdt:P31 wd:Q5 } 
Eleanor of Aquitaine