Princess Helen of Serbia and Yugoslavia was born Princess Helena Karađorđević to Peter I of Serbia and Yugoslavia and Princess Zorka of Montenegro. She married Prince John Constantinovich of Russia, who was called "Ioanchik". It was a love match and shocked family members because they believed John might become a Russian Orthodox Monk.
Their children were:
Their children were:
Vsevolod Ivanovich Romanov, "Prince Vsevolod Ivanovich"
Yekaterina Ivanovna Romanova, "Princess Catherine of Russia", later "Catherine, Marchesa Farace di Villaforesta"