What is {mother} and {date of death} of {{Pedro I} has {child} as {, Prince of Beira}}
What is the Pedro 1 Prince of Beira mother's name and when did they die?
Who is the mother of Pedro 1 Prince of Beira and when did they pass?
SELECT ?e ?w WHERE { ?f property:date_of_death ?w . resource:Pedro_I_of_Brazil property:child ?f . ?f property:child resource:João_Carlos,_Prince_of_Beira . ?f property:mother ?e }
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:P25 ?value1 . ?s pq:P570 ?value2 }