Did M1 and M2 employ a actor of M0 's child
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character ?x1 .
?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M0 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}