Plug into possibility
Add new features or connect your favorite tools with thousands of plugins — available on all paid WordPress.com plans.
descendants
2 plugins
Add Descendants As Submenu ItemsAutomatically all of a nav menu item's descendants as submenu items. Designed for pages but will work with any hierarchical post type or taxonomy …
Cybokron Advanced Widget VisibilityShow or hide widgets by page, category, taxonomy, post type, and user context with descendant support.