Who married Albert Casimir, Duke of Teschen?

Prince Albert Casimir of Saxony, Duke of Teschen (German: Albert Kasimir von Sachsen-Teschen; 11 July 1738 – 10 February 1822) was a Saxon prince from the House of Wettin who married into the Habsburg imperial family. He was noted as an art collector and founded the Albertina in Vienna, one of the largest and finest collections of old master prints and drawings in the world.

Maria Christina, Duchess of Teschen (Maria Christina Johanna Josepha Antonia; 13 May 1742 – 24 June 1798), was the fifth child of Maria Theresa of Austria and Francis I, Holy Roman Emperor. Married in 1766 to Prince Albert of Saxony, the couple received the Duchy of Teschen, and she was appointed Governor of the Austrian Netherlands jointly with her husband during 1781–1789 and 1791–1792. After two expulsions from the Netherlands (in 1789 and 1792), she lived with her husband in Vienna until her death.