Who was a sibling of M1 's costume designer , art director , and producer
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings ?x1 .
?x1 ns:film.film_art_director.films_art_directed M1 .
?x1 ns:film.film_costumer_designer.costume_design_for_film M1 .
?x1 ns:film.producer.film|ns:film.production_company.films M1 .
FILTER ( ?x0 != ?x1 )
}