Note 483 — Chapter IV · BAYEZID THE OSMANLIS INHERIT THE BYZANTINE EMPIRE
Reading edition
Miklositch, Acta Serbica, CCIV. Hammer, i. 341, calls this Constantine ‘fils de Twarko’, meaning Stephen Tvrtko, I suppose. But I cannot find that the Bosnian king had such a son, or any reason, if he had, why this son should have been at Serres.