What is {mother} and {date of death} of {{Pedro I} has {child} as {Princess Francisca of Brazil}}
On what date was Pedrol's child Princess Francisca of Brazil born, and what was her mother's name?
When did PedroI's child Princess Francisca of Brazil born, and who was her mother?
SELECT ?z ?k WHERE { ?w property:mother ?z . resource:Pedro_I_of_Brazil property:child ?w . ?w property:child resource:Princess_Francisca_of_Brazil . ?w property:date_of_death ?k }
select distinct ?value1 ?value2 where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q939> . ?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> <http://wikidata.dbpedia.org/resource/Q242159>. ?statement <http://www.wikidata.org/entity/P580> ?value1 . ?statement <http://www.wikidata.org/entity/P2842> ?value2 } 
SELECT ?value1 ?value2 WHERE { wd:Q939 p:P40 ?s . ?s ps:P40 wd:Q242159 . ?s pq:P25 ?value1 . ?s pq:P570 ?value2 }