What is {date of birth} and {date of death} of {{Pedro I} has {child} as {Isabel Maria de Alcântara Brasileira}}
When did the infant of Pedro I, Isabel Maria de Alcântara Brasileira, die and when was she born?
When did the child of Pedro I, Isabel Maria de Alcântara Brasileira, die and when was she born?
SELECT ?h ?n WHERE { ?p property:date_of_birth ?h . ?p property:child resource:Isabel_Maria_de_Alcântara,_Duchess_of_Goiás . ?p property:date_of_death ?n . resource:Pedro_I_of_Brazil property:child ?p }
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/Q3154857>. ?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:Q3154857 . ?s pq:P569 ?value1 . ?s pq:P570 ?value2 }