<?php
      global $post;
      $parent_title = get_the_title($post->post_parent);
      if ( is_page() && $post->post_parent )
          $children = wp_list_pages( 'sort_column=menu_order&title_li=&child_of=' . $post->post_parent . '&echo=0' );
          //$up = the_title();
      else
          $children = wp_list_pages( 'sort_column=menu_order&title_li=&child_of=' . $post->ID . '&echo=0' );

      if ( $children ) {

          echo '<ul class="secondary">';
	    echo '<li id="firstBtn"><a href="'.get_permalink($post->post_parent).'">'.$parent_title.'</a></li>';
            echo $children;
          echo '</ul>';
      }
    ?>