alexanderi

King Constantine I, as well as well as the future King Alexander & George II. en.wikipedia.org/wiki/List_of_Kings_of_Greece

He succeeded to the throne of Greece on 18 March 1913, following his father's assassination. His wife was Princess Sophie of Prussia (Sophie Dorothea Ulrike Alice; June 14, 1870 – January 13, 1932). The children are listed at en.wikipedia.org/wiki/Sophia_of_Prussia Their sixth child was born in May 1913.

We'll add the additional identification to the source data and reload the description. Thanks!

Also see:

"King of Greece (LOC)" by Library of Congress

nice !

Wedding photo of en.wikipedia.org/wiki/Alexander_I_of_Yugoslavia Alexander I (16 December 1888 [O.S. 4 December] – 9 October 1934), also known as Alexander the Unifier, was a prince regent of the Kingdom of Serbia from 1914 and later a King of Yugoslavia from 1921 to 1934 (prior to 1929 the state was known as the Kingdom of Serbs, Croats and Slovenes). en.wikipedia.org/wiki/Maria_of_Yugoslavia Maria was born on January 6, 1900, at Friedenstein Palace in Gotha, a town in Thuringia, in the German Empire.[2] She was named after her maternal grandmother, Grand Duchess Maria Alexandrovna of Russia, and was known as Mignon in the family to distinguish her from her mother. Maria married Alexander I, second King of Serbs, Croats and Slovenes, in Belgrade on 8 June 1922

See also www.flickr.com/photos/library_of_congress/49731012346/

Thanks swanq! That hat is really something.