The ambassadors of the Vatican to other countries are usually called nuncios.
The six highest ranks of diplomatic representatives of the Vatican are:
legatus a latere
nuncio with full powers of a legatus a latere
legate
nuncio of the first class
nuncio of the second class
internuncio
A Nuncio is an ambassador for the Vatican.
Nuncio
Papal Nuncio
An internuncio is a papal envoy or messenger but ranks below a nuncio, or ambassador.
The name of the wife of the ambassador can vary depending on which ambassador you are referring to, as many countries have ambassadors with different names. If you provide the name of the specific ambassador or country, I can help you find that information. Otherwise, it is generally referred to as "the ambassador's wife."
The female equivalent of Ambassador is Ambassadress.
The name of Kenya's ambassador to SEOUL is NGOVI KITAU.
The name of Kenya's ambassador to Geneva is .R.O. OLADE.
The name of Kenya's ambassador to Paris is ELKANAH ODEMBO.
The name of Kenya's ambassador to Tokyo is MR. ALLAN MBURU.
Well, the ambassador of Croatia is a women, and her name is Neven Judica...
The name of Kenya's high ambassador to Khartoum is MR.ROBERT M.NGESU.