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