What male person whose male sibling was influenced by and influenced M3 did M1 influence
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:people.person.gender ns:m.05zppz .
?x0 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 ?x1 .
?x1 ns:influence.influence_node.influenced M3 .
?x1 ns:influence.influence_node.influenced_by M3 .
?x1 ns:people.person.gender ns:m.05zppz .
FILTER ( ?x0 != ?x1 )
}