Question: Name a royalty whose one of the child is Augustus  and is associated with Publius Servilius Vatia Isauricus?
SPARQL query:
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE {?uri prop:children <http://dbpedia.org/resource/Augustus> . ?uri onto:associate <http://dbpedia.org/resource/Publius_Servilius_Vatia_Isauricus_(consul_48_BC)>  . }