[citation needed] She devoted her life to Bulgaria and acted as First Lady of the Land until King Boris III married Princess Giovanna of Savoy.

In 1922, Eudoxia and her sister Princess Nadejda became the confidants of King Boris III of Bulgaria.

In the book Giovanna of Bulgaria: The Queen of Charity, the author wrote:…Eudoxie had an exceptional personality, with a quick mind, alert, watchful eyes, an uncanny feeling for people and events.

Her authoritarian behaviour towards people contrasted with her full and utter devotion to her brother.

She spent the happiest and most difficult times for the crown at his side…[2]This Bulgarian biographical article is a stub.