Who was a male sibling of a founder of M2 , M3 , and M4
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?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:organization.organization_founder.organizations_founded M2 .
?x1 ns:organization.organization_founder.organizations_founded M3 .
?x1 ns:organization.organization_founder.organizations_founded M4 .
FILTER ( ?x0 != ?x1 )
}