What British founder of M2 's producer was M1 's child
SELECT DISTINCT ?x0 WHERE {
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:people.person.nationality ns:m.07ssc .
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M1 .
?x1 ns:film.producer.film|ns:film.production_company.films M2
}