Were M1 , M4 , M5 , and M6 employed by a company 's child and employed by M2 and M3
SELECT count(*) WHERE {
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
?x1 a ns:business.employer .
M1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M1 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M1 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
M4 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M4 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M4 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
M5 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M5 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M5 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
M6 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M6 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M6 ns:people.person.employment_history/ns:business.employment_tenure.company M3
}