Đurađ Branković
Irene Kantakouzene (, "Eiréne Kantakouzené", "Eiríni Kantakouziní" , / "Irina Kantakuzin"; 1400 – May 3, 1457), known simply as Despotess Jerina ( / "despotica Jerina"), was the wife of Serbian Despot Đurađ Branković. In Serbian folk legends, she is the founder of many fortresses in Serbia.