Early folkloristic sources emphasized that Grčić Manojlo was not based on any historical figure [REF].
Early historical sources, starting with Konstantin Nikolajević and Ilarion Ruvarac,[REF][REF] connected the figure of Grčić Manojlo with a cousin of Serbian Despotess Irene Kantakouzene[REF] (son of Thomas Kantakouzenos) [REF].