public function getPageRelations()
    {
        $em = \Database::connection()->getEntityManager();
        $r = $em->getRepository('Concrete\Core\Entity\Page\Relation\SiblingRelation');
        $relation = $r->findOneBy(['cID' => $this->getCollectionID()]);
        $relations = array();
        if (is_object($relation)) {
            $allRelations = $r->findBy(['mpRelationID' => $relation->getPageRelationID()]);
            foreach($allRelations as $relation) {
                if ($relation->getPageID() != $this->getCollectionID() && $relation->getPageObject()->getSiteTreeObject() instanceof SiteTree) {
                    $relations[] = $relation;
                }
            }
        }
        return $relations;
    }