What is {date of birth} and {date of death} of {{Pedro I} has {child} as {, Prince of Beira}}
When did Pedro I die and when was he born?
What is {date of birth} and {date of death} of {{Pedro I} who has {child} as {, Prince of Beira}}?
SELECT ?o ?e WHERE { ?j property:date_of_birth ?o . ?j property:date_of_death ?e . ?j property:child resource:João_Carlos,_Prince_of_Beira . resource:Pedro_I_of_Brazil property:child ?j }
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/Q4765121>. ?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:Q4765121 . ?s pq:P569 ?value1 . ?s pq:P570 ?value2 }