Question: Which of King Henry VII children died in Beaumearis Castle?
Answer(s):
answer: Roland de Velville

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.03p6r)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.03p6r ns:people.person.children ?x .
?x ns:people.deceased_person.place_of_death ns:m.01bks1 . 
}