Victoria Louise of Prussia (Viktoria Luise Adelheid Mathilde Charlotte; 13 September 1892 – 11 December 1980) was the only daughter and the seventh child of William II, German Emperor

William II, German Emperor

Wilhelm II was the last German Emperor and King of Prussia, ruling the German Empire and the Kingdom of Prussia from 15 June 1888 to 9 November 1918. He was a grandson of the British Queen Victoria and related to many monarchs and princes of Europe...

 and Empress Augusta Victoria

Augusta Viktoria of Schleswig-Holstein

Augusta Victoria of Schleswig-Holstein was the last German Empress and Queen of Prussia. Her full German name was Auguste Victoria Friederike Luise Feodora Jenny von Schleswig-Holstein-Sonderburg-Augustenburg.She was the eldest daughter of Frederick VIII, Duke of Schleswig-Holstein and Princess...

. She was their last surviving child. Princess Victoria Louise is the maternal grandmother of Queen Sophie of Spain and the former King Constantine II of the Hellenes

Constantine II of Greece

|align=right|Constantine II was King of Greece from 1964 until the abolition of the monarchy in 1973, the sixth and last monarch of the Greek Royal Family....

. She was the Duchess of Brunswick by marriage.
Ernest Augustus, heir to the title of Duke of Cumberland

Duke of Cumberland

Duke of Cumberland is a peerage title that was conferred upon junior members of the British Royal Family, named after the county of Cumberland.-History:...

, and grandson of Christian IX of Denmark

Christian IX of Denmark

Christian IX was King of Denmark from 16 November 1863 to 29 January 1906.Growing up as a prince of Schleswig-Holstein-Sonderburg-Glücksburg, a junior branch of the House of Oldenburg which had ruled Denmark since 1448, Christian was originally not in the immediate line of succession to the Danish...

 through the latter's daughter, Princess Thyra of Denmark

Princess Thyra of Denmark

Princess Thyra of Denmark was the youngest daughter of Christian IX of Denmark and Louise of Hesse-Kassel.-Early life:Thyra was the sister of Frederik VIII of Denmark, Queen Alexandra of the United Kingdom, George I of Greece and...

, came to the court and fell in love with Princess Victoria Louise.