Listing Page (wp_list_pages) problem

I’m having some difficulties with listing pages dynamically using WordPress syntax.

I have an attorney site that I’m working on, and I’m simply trying to list the parent categories, as well as the child pages – and the child’s child pages.

Here’s the URL of the site for a visual:
https://kirkcdavis.com/wordpress/dui/dui-penalties/

And here is the structure of the navigation that I ideally want:

-DUI
–Court
–DUI Arrest
–DUI Penalties
—Ignition Interlock Device
—Electronic Home Monitoring
—Victim Impact Panel
—Alcohol Assessment
—Alcohol Information School
—Alcohol Treatment
—Mandatory Penalty Chart
—Probation
–License Suspension

I want it to show all 4 headings (parents): Court, DUI Penalties, DUI Arrest and License Suspension – and then list the child pages for that particular page, while keeping the other parent categories.

I have this partially working, with the top side navigation of the page (https://kirkcdavis.com/wordpress/dui/dui-penalties/) listing the 4 parent categories, but none of the child ones. And the code for this I’m using is the following:

<div id="sidebar">
    <ul id="subnav">

		<?php wp_list_pages( array('title_li'=>'','include'=>get_post_top_ancestor_id()) ); ?>
              <ul>
                  <?php wp_list_pages( array('title_li'=>'','depth'=>1,'child_of'=>get_post_top_ancestor_id()) ); ?>

              </ul>
   		</li>
    </ul> 

</div>

Then, the bottom sidebar examples on the page (https://kirkcdavis.com/wordpress/dui/dui-penalties/) lists the main overall category (DUI) and then jumps to the sublistings of DUI Penalties, but doesn’t list DUI Penalties or any of the other 3 parent categories.

Here’s the code I’m using for this section:

<div id="sidebar">
    <ul id="subnav">
      <?php wp_list_pages( array('title_li'=>'','include'=>get_post_top_ancestor_id()) ); ?>  

      <?php global $post; $thispage = $post->ID; // grabs the current post id from global and then assigns it to thispage ?>
        <?php $pagekids = get_pages("child_of=".$thispage.""); // gets a list of page that are sub pages of the current page and assigns then to pagekids ?>
        <?php if ($pagekids) { // if there are any values stored in pagekids and therefore the current page has subpages ?>
        	<ul>
        		<?php wp_list_pages("depth=1&title_li=&sort_column=menu_order&child_of=".$thispage); // display the sub pages of the current page only ?>
            </ul>
        <?php } else { // if there are no sub pages for the current page ?>
        	<ul>
        		<?php echo wp_list_pages('title_li=&child_of='.$post->post_parent.'&echo=0'); ?>
            </ul>

        <?php } ?>

        </ul></div>

So I think I’m close, but for some reason can’t figure this out. I need a combination of the two – where again, I will have all 4 parent pages/categories and then the subpages for that particular parent page. Hope this makes sense. If I can clarify anything, let me knwo. And thanks for looking and your help!