File:HRH Elizabeth of Romania, HM Queen Marie of Romania, HRH Princess Ileana of Romania, HM Queen Maria of Yugoslavia.jpg

Summary
In Sinaia on 26 July 1931, Ileana married the Archduke Anton of Austria, Prince of Tuscany. This marriage was encouraged by Ileana's brother, King Carol II, who was jealous of Ileana's popularity in Romania and wanted to get her out of the country.
 * Other information:

Pakula, Hannah (1985). The last romantic : a biography of Queen Marie of Roumania. London: Weidenfeld & Nicolson. ISBN 0-297-78598-2.