What is {child} of {Louis IX of France} and {date of death}
Who is the child of Louis IX of France and when did the child die?
Who is the child of Louis IX of France and when did the child die?
SELECT ?u ?f WHERE { resource:Louis_IX_of_France property:child ?j . ?j property:date_of_death ?u . . ?j property:child ?f }
select distinct ?dataprop1 ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q346> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P40> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?statement <http://www.wikidata.org/entity/P580> ?dataprop1 . } 
SELECT ?value1 ?obj WHERE { wd:Q346 p:P40 ?s . ?s ps:P40 ?obj . ?s pq:P570 ?value1 . }