question: What person was a production company 's founder 's German child
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:people.person.nationality ns:m.0345h .
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
  ?x1 ns:organization.organization_founder.organizations_founded ?x2 .
  ?x2 a ns:film.production_company
  }