Marie of Romania by Terrence Elsberry Life of a 20th Century Queen First Edition. Marie was the Queen of Romania during WWI. She worked to help the soldiers during the War and was presence at the Versailles Conference. The 20's and30's meant more adventures. 293 pages with an index and bibliography. Marie Queen, consort of Ferdinand, King of Romania. Maria consort of Ferdinand I, King of Romania; history. Marie Queen, consort of Ferdinand I, King of Romania 1875-1938. See my many other interesting books in my e-bay store.