Was a employee of M0 a company 's parent 's employee and founder
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
?x1 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x2 .
?x2 a ns:business.employer
}