$not_post = array();
foreach ($findrefs as $ref) {
array_push($not_post, $ref->mes_id);

$args = array(
‘post_parent’ => $ref->mes_id,
‘post_type’ => ‘any’,
‘numberposts’ => – 1,
‘post_status’ => ‘any’
);
$children = get_children($args);

foreach ($children as $child) {

array_push($not_post, $child);
}
}

$args[‘post__not_in’] = $not_post;

$findrefs is an object that contains a list of parent message id