What did a cinematographer of M1 and M2 edit and a child of M0 edit
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.edited_by ?x1 .
?x0 ns:film.film.edited_by ?x2 .
?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M0 .
?x2 ns:film.cinematographer.film M1 .
?x2 ns:film.cinematographer.film M2
}