Were M3 and M4 founded by M2 's child , founded by M0 's child , and founded by M1 's employee
SELECT count(*) WHERE {
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M0 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x2 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M2 .
M3 ns:organization.organization.founders ?x0 .
M3 ns:organization.organization.founders ?x1 .
M3 ns:organization.organization.founders ?x2 .
M4 ns:organization.organization.founders ?x0 .
M4 ns:organization.organization.founders ?x1 .
M4 ns:organization.organization.founders ?x2
}