What film producer did M1 's parent 's child found
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?x0 ns:organization.organization.founders ?x1 .
?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x2 .
?x2 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M1
}