SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/George_Madison> <http://dbpedia.org/ontology/relation> ?uri }
Which famous political figures are relatives to George Madison?
SELECT DISTINCT ?w WHERE { resource:George_Madison property:relation ?w }
James Madison, Thomas Madison, James Madison (bishop)
The famous politicians who are relatives of George Madison are [James Madison, Thomas Madison, James Madison (bishop)].
Prominent politicians who are relatives of George Madison [James Madison, Thomas Madison, James Madison (Bishop)].
The relation of him  are [James Madison, Thomas Madison, James Madison (bishop)].
His relatives [James Madison, Thomas Madison, James Madison (bishop)].