Auguste Victoria
Princess of Hohenzollern-Sigmaringen
Born: 19 July 1890, Potsdam
Dead: 30 August 1966, Sigmaringen castle
Parents: William of Hohenzollern and his 1st wife Maria Theresa of Bourbon-Two-Sicilies
Marriage:
1st - 4 September 1913 with Manuel II, King of Portugal.
2nd - 23 April 1934 with count Charles Robert Douglas, head of the Scottish house of Douglas.
She had no childs from the 2 marriages!
Portugal become a Republic in 1910 and she married Manuel II in 1913, so she was not "de facto" the last Queen of Portugal despite she was married with the last King.
The last Queen of Portugal was Amélie, Manuel II's mother.