just-the-docs/docs/tests/navigation/exclude/excluded-grandchild.md

layout, title, parent, grand_parent, nav_exclude

layout	title	parent	grand_parent	nav_exclude
default	Excluded Grandchild	Non-excluded Child	Non-excluded	true

Excluded Grandchild

This grandchild page is explicitly excluded, and should not appear in the navigation.

title: Excluded Grandchild
parent: Non-excluded Child
grand_parent: Non-excluded
nav_exclude: true