question: Which child of M4 married M5 and M6 , was influenced by M2 and M3 , and influenced M0 and M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:influence.influence_node.influenced M0 .
  ?x0 ns:influence.influence_node.influenced M1 .
  ?x0 ns:influence.influence_node.influenced_by M2 .
  ?x0 ns:influence.influence_node.influenced_by M3 .
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M4 .
  ?x0 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M5 .
  ?x0 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M6 .
  FILTER ( ?x0 != M5 ) .
  FILTER ( ?x0 != M6 )
  }