Board Thread:Support Requests - Getting Technical/@comment-44201154-20191212050255/@comment-1038387-20191212143645

Then you need Template:Navigation/Noble Houses and Template:Castportal.

The isn't the actual code. It just means it's a template that's transcluded, and the actual code is at "Template:Text in curly brackets". Though often that template has further templates inside it, especially for portals with a uniform look.