XSLT Position of Ancestor

Hello
I need to get the position of the ancestor when i am in a grand-child.
Say i am in <item2> within the <submenu>
I need to go a find the position of its <item1>
How do i do this?

<themenu>
      <item>
            <title>Home</title>
            <link>www.xtra.co.nz</link>
      </item>
      <item1>
            <title>Joana</title>
            <link>www.xtra.co.nz</link>
      </item1>
      <item1>
            <title>Craig</title>
            <link>www.xtra.co.nz</link>
      </item>
      <item1>
            <title subNo="Yes">Jim</title>
            <link>www.xtra.co.nz</link>
            <submenu>
                  <item2>
                        <title>Mic</title>
                        <link>www.xtra.co.nz</link>
                  </item2>
                  <item2>
                        <title>Grant</title>
                        <link>www.xtra.co.nz</link>
                  </item2>
                  <item2>
                        <title>Dave</title>
                        <link>www.xtra.co.nz</link>
                  </item2>
            </submenu>
      </item1>

<themenu>