When was Pedro I's child Princess Maria Amélia of Brazil born and when did she die?
SELECT ?value1 ?value2 WHERE { wd:Q939 p:P40 ?s . ?s ps:P40 wd:Q235815 . ?s pq:P569 ?value1 . ?s pq:P570 ?value2 }
pedro i of brazil: Q939 princess maria amélia of brazil: Q235815