Princess Pauline of Württemberg (1810–1856)
Princess "Pauline" Friederike Marie of Württemberg, full German name: "Pauline Friederike Marie, Prinzessin von Württemberg" (25 February 1810, Stuttgart, Kingdom of Württemberg – 7 July 1856, Wiesbaden, Duchy of Nassau) was a member of the House of Württemberg and a Princess of Württemberg by birth. Through her marriage to William, Duke of Nassau, Pauline was also a Duchess consort of Nassau. Pauline is an ancestress of the present Belgian, Danish, Dutch, Luxembourgish, Norwegian, and Swedish Royal families. She was a maternal first cousin of Princess Alexandra of Saxe-Altenburg, as well as her paternal second cousin . Via that link, those six people (Frederick II Eugene, Princess Friedrike of Branderburg-Schewedt, Ernest Frederick III, Princess Ernestine, Charles II and Princess Friedrike of Hesse-Darmstradt), are ancestors of almost every single royal family in Europe (except from those of Liechtenstein and Monaco). Family. Pauline was the fourth child of Prince Paul of Württemberg and his wife Princess Charlotte of Saxe-Hildburghausen. Marriage and issue. Pauline married William, Duke of Nassau, eldest son of Frederick William, Prince of Nassau-Weilburg and his wife, Burgravine Louise Isabelle of Kirchberg, and widower of her aunt Louise on 23 April 1829 in  Stuttgart. William is third cousin of Pauline's father, Prince Paul of Württemberg (both are great-great-grandsons of King George II of Great Britain), which makes them third cousins, once removed. Pauline and William had four children: