Question: In which sects was the aristocrat venerated, whose parent is Thelred the Unready?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/parent> <http://dbpedia.org/resource/Æthelred_the_Unready> . ?x <http://dbpedia.org/property/veneratedIn> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Royalty>}
Answer: The sects where the royalty whose parent is Thelred the Unready was venerated are [Anglican Communion, Eastern Orthodox Church, Catholic Church].