Nominal Group Qualifiers?

Beatriz Quiroz asked on Sysfling on 12 Apr at 5:24:

How would you analyse the underlined element in the following English nominal groups:

The year 1920
My friend John
captain Ahab
his wife Sarah
The city of Rome

Would they all be Qualifiers?

Blogger Comments:

Just the first and last.

But, even in IFG4 (p391):

Other than this type [nominal group as Attribute], Epithets and Classifiers do not normally function as Head.