Martha Boto
Martha Boto (27 December 1925 – 13 October 2004) was an Argentinian artist.
Boto was born in Buenos Aires, Argentina, and was co-founder of the Group of Non-Figurative Artists of Argentina.
She is considered to be a pioneer of kinetic and programmed art.
Artaynte
Artaynte( f. 478 BC), was the wife of the Crown Prince Darius.
Hafsa Hatun
Hafsa Hatun was the wife of Sultan Bayezid I of the Ottoman Empire.
Waldrada of Lotharingia
Waldrada was the mistress, and later the wife, of Lothair II of Lotharingia.
Eunoë (wife of Bogudes)
Eunoë was the wife of Bogudes, King of Mauretania.
Agatha (wife of Samuel of Bulgaria)
Agatha was the wife of Emperor Samuel of Bulgaria.
Papianilla (wife of Tonantius Ferreolus)
Papianilla was a Roman noblewoman
She was the wife of Tonantius Ferreolus.
Another Papianilla, the wife of the poet Sidonius Apollinaris, was a relative of hers.
She had Tonantius Ferreolus and other sons.
Catherine Exley
Catherine Exley was the wife of a soldier and accompanied her husband when he served in Portugal, Spain and Ireland during the Napoleonic Wars.
She is best known as the author of a diary that gives an account of military life in that era from the viewpoint of the wife of a common soldier.
Gregorio Vardanega
Gregorio Vardanega (21 March 1923 – 7 October 2007) was an artist of Italian origins who worked in Argentina and France.
Vardanega and Martha Boto, his companion, created the term "chromocinetism" to describe their artistic research.
Empress Shōken
, also known as, was the wife of Emperor Meiji of Japan.

Question: Where was the wife of Gregorio Vardanega born?
Answer: Buenos Aires