Jelena was born in 1411 as the daughter of Balša III of Zeta and Mara Thopia of Albania.
In 1424, at the age of 13, Jelena married Stjepan Vukčić Kosača, a significant political figure of the time.
[6] The union between Jelena and Stjepan Vukčić played a crucial role in shaping the political landscape of the region.
Jelena was not only a wife and mother but also a central figure in the complex power dynamics of the time.
Through her marriage to Stjepan Vukčić, she became the mother of several notable children, each leaving a mark on the history of the Balkans.