Lucia Dobrinović

There is no evidence about Lucija Kotromanic. She was probably not the daughter of Vladislav Kotromanic. According to various studies, it is accepted that Valdislav had two children Tvrtko and Vuk.

https://fmg.ac/Projects/MedLands/BOSNIA.htm#VladislavKotromanicdied...

https://en.wikipedia.org/wiki/Vladislav_of_Bosnia

https://upload.wikimedia.org/wikipedia/commons/3/37/Porodi%C4%8Dno_...

There is information regarding her maiden in the Biographisches lexicon des kaiserthums Oesterreich ,volumes 51-52. By Constance con Wurzbach