https://en.wikipedia.org/wiki/Maria_Theresa_of_Austria-Este_(1849–1919)
On 20 February 1868, at St. Augustine's Church in Vienna, Maria Theresa married the future Ludwig III, last king of Bavaria.. The couple had thirteen children: Rupprecht, Crown Prince of Bavaria (18 May 1869 – 2 August 1955).; Princess Adelgunde (17 October 1870 – 4 January 1958), married on 20 January 1915 to Prince Wilhelm of Hohenzollern-Sigmaringen.