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In page Maria Theresa of Austria-Este, Queen of Sardinia:

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Maria Theresa was married by proxy on 29 June 1788 in Milan.[citation needed] Finally, on 25 April 1789, she married the 29-year-old Victor Emmanuel, Duke of Aosta, in person in Novara.[citation needed] She was 15 years old. Their relationship was described as a happy and harmonious one,[citation needed] and Victor Emmanuel spent ample time with their children.[1] They had seven children, four of whom survived into adulthood.