Which company that a film editor was employed by and founded was M1 's child
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:business.employer .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M1 .
?x1 a ns:film.editor
}