Who influenced M1 , influenced a sibling of M2 's star , and was influenced by M3 's writer 's sibling
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced_by ?x2 .
?x1 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings ?x3 .
?x2 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings ?x4 .
?x3 ns:film.actor.film/ns:film.performance.film M2 .
?x4 ns:film.writer.film M3 .
FILTER ( ?x1 != ?x3 ) .
FILTER ( ?x2 != ?x4 )
}