What film editor founded M3 's employer 's parent , was employed by M1 , and was employed by M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.editor .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x1 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x2 .
?x2 ns:business.employer.employees/ns:business.employment_tenure.person M3
}