After the death of Djuradj I Balsic, Vuk captured his cities of Prizren and Peć and the area of Metohija John VA Fine, The Late Mediaeval Balkans,p.389 .

John V.A. Fine Jr., The Late Medieval Balkans.

John V. A. Fine, Jr., The Late Medieval Balkans, Ann Arbor, 1987.

According to "The Late Medieval Balkans" (1987) by John V.A. Fine, Jr., Eudokia was repudiated on grounds of adultery c. 1200-1201.

John V.A. Fine, Jr., The Late Medieval Balkans, A Critical Survey from the Late Twelfth Century to the Ottoman Conquest, Ann Arbor (1987)

The Late Medieval Balkans: A Critical Survey from the Twelfth Century to the Ottoman Conquest.

According to The Late Medieval Balkans (1987) by John V.A. Fine, the marriage was part of an alliance between her stepfather Boril and Henry.

Religion and culture in medieval Bosnia, from "The Late Medieval Balkans" by John V.A Fine, Jr.

The Late Medieval Balkans: A Critical Survey from the Twelfth Century to the Ottoman Conquest, University of Michigan Press, Ann Arbor, 1987.

Fine, John Van Antwerp, The Late Medieval Balkans, University of Michigan Press, 1994.