Who founded M1 , was employed by a child of a production company , and founded M3 's employee 's employer
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x4 .
?x2 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x3 .
?x3 a ns:film.production_company .
?x4 ns:people.person.employment_history/ns:business.employment_tenure.company M3
}