What is {date of death} and {mother} of {{Pedro I} has {child} as {Miguel, Prince of Beira}}
When did Pedro I and his wife's child Miguel die?
When did Pedro I's child Miguel die, Prince of Beira born, and who was his mother?
SELECT ?i ?t WHERE { resource:Pedro_I_of_Brazil property:child ?d . ?d property:mother ?t . ?d property:child resource:Miguel,_Prince_of_Beira . ?d property:date_of_death ?i }
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/Q3856483>. ?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:Q3856483 . ?s pq:P570 ?value1 . ?s pq:P25 ?value2 }