Question: List the children of the parent of Marvin Bush.
SPARQL query: SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Marvin_Bush> <http://dbpedia.org/ontology/parent> ?x . ?x <http://dbpedia.org/property/children> ?uri  . }
Answer: The children of the office holder who is the parent of Marvin Bush are [6, Neil Bush, Jeb Bush, Marvin Bush, Dorothy Bush Koch, George W. Bush, Robin].