you can use below code to   show all child of
 parent who has  id 10.
  1. <html>  
  2.  <body>  
  3. <?php wp_list_cats(‘child_of=10’); ?>
  4. you can also use this
  5. <? php
  6. wp_list_pages(‘child_of=10& sort_column=post_title&title_li=’);
  7. ?>
  8.  </body>   
  9. </html>  
eXTReMe Tracker