Dragana was a Bulgaria

Bulgaria

Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

n empress consort, second wife of Ivan Shishman

Ivan Shishman of Bulgaria

Ivan Shishman ruled as emperor of Bulgaria in Tarnovo from 1371 to 3 July 1395. The authority of Ivan Shishman was limited to the central parts of the Bulgarian Empire. His indecisive and inconsistent policy did little to prevent the fall of his country under Ottoman rule. In 1393 the Ottoman...

 (r. 1371–1395). She was a daughter of the Serbian prince Lazar

Lazar of Serbia

Lazar Hrebeljanović , was a medieval nobleman that emerged as the most powerful Serbian ruler after the death of the previous, childless, Emperor Uroš the Weak, which resulted in years of instability in the Serbian realm. As Stefan Lazar, he was Prince of Serbia from 1371 to 1389, ruling what is...

 and Milica Nemanjić. There are almost no historical sources about her. There is a text in the Boril obituary concerning the consorts of Ivan Shishman:
Based on that text, the historian Plamen Pavlov has suggested a new theory about the empress. He assumes that since Lazar had no wife named Desislava, it is possible that the first wife of Ivan Shishman was Maria and Dragana was called Kira Maria, unless there is a mistake in the paragraph.

Footnotes