PETER I

Eliodoro Villazón Montaño (1848-1939) was Constitutional President of Bolivia from 1909-13. Princess Helen of Serbia (1884-1962) Daughter of King Peter I and his wife Princess Zorka of Montenegro, and sister of Alexander I of Yugoslavia. Known as Elena Petrovna, after her marriage. Prince Ioann Konstantinovich of Russia (1886-1918) Also known as Prince John, was the eldest son of Grand Duke Konstantin Konstantinovich of Russia. Murdered by Bolsheviks at the early age of 32 along with his brothers (Translation)Peter I King of Serbia,To His Excellency the President of the Republic of Bolivia.Most dear and good Friend, I hasten to inform Your Excellency that the marriage of my beloved daughter the Princess Jelena to His Highness the Prince Ioann Constantinovich was celebrated on the 21st August last at Peterhof. I like to believe that Your Excellency will receive the news with satisfaction, and I take the opportunity presented to renew to Your Excellency the assurance of the high esteem and sincere friendship with which I am your Good Friend [Signed] PeterBelgrade, the 17th September 1911.