Different family names for exports

On this page we see ‘a general property called Family Names’:

Currently I see these options:

Do I need to set all these properties for an instace with a different family name to work on all platforms?

You should only need to set the family names and maybe the style name.

ok which parameter is that? ‘Family name’ alone isn’t an option

That is the same thing. Only the “Localized” label was added.