However, by early May 1390, he felt threatened and he asked the Republic of Ragusa to facilitate his safety, if it comes in a quandary, which could be linked with the Ottoman detachments who helped Stefan during the summer to suppress the Hungarians from their state. But there is no evidence that there was some hostility between Stefan and Vuk Branković. There was recorded in the sources that Vuk attended in formal transfer of Prince Lazar's holy body from his capital Priština to the monastery Ravanica late 1390 and early 1391, and is also known that in his court, during the year 1392, came Princess Milica.