I wanted to create a subordinate set of CMS pages in Magento so that the breadcrumb navigation at the top of the page looks like this:
Home > Parent CMS Page > Child CMS Page
Even though I can specify a hierarchical relationship with the URL key field, it seems to be that all CMS pages in Magento are listed in the root directory by default:
Home > Child CMS Page
To override the default, you have 2 options :