Princess Marie of Hanover was the youngest daughter of the only successor of which German king?
Princess Marie of Hanover: Princess Marie of Hanover (German: "Marie Ernestine Josephine Adolphine Henrietta Theresa Elizabeth Alexandrina Prinzessin von Hannover und Cumberland" ; 2 December 1849 – 4 June 1904) was the younger daughter of King George V of Hanover and of his wife, Princess Marie of Saxe-Altenburg.
i don't know