What is {mother} and {date of death} of {{Pedro I} has {child} as {Isabel Maria de Alcântara Brasileira}}
Who is the mother and what is the date of passing of Pedro I who has girl Isabel Maria de Alcântara Brasileira?
Who is the mother and what is the date of death of Pedro I who has daughter Isabel Maria de Alcântara Brasileira?
SELECT ?z ?a WHERE { ?x property:child resource:Isabel_Maria_de_Alcântara,_Duchess_of_Goiás . resource:Pedro_I_of_Brazil property:child ?x . ?x property:date_of_death ?a . ?x property:mother ?z }
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:P25 ?value1 . ?s pq:P570 ?value2 }