Princess Marie of Saxe-Altenburg was the wife of Prince Albert of Prussia, Regent for the duchy of Brunswick. Wikipedia
Born: August 2, 1854, Eisenberg, Germany
Died: October 8, 1898 (age 44 years), Kamieniec Ząbkowicki, Poland
Great-grandparents: Frederica of Mecklenburg-Strelitz, Duchess Charlotte Georgine of Mecklenburg-Strelitz, Frederick, Duke of Saxe-Altenburg, and more
Great grandchildren: Alois Rudolf Hug, Rudolf Philipp Friedrich Wilhelm Ernst Gunther Hug, Oda Marie Therese Hug, and more
Grandchildren: Princess Marianne of Prussia, Marie Therese Hug, Elisabeth Prinzessin von Preußen, and more