 He allowed the marriage, returned Duklja to his new son-in-law, and besides gave him the whole territory of Dyrrhachium, to rule them from that point on as his vassal.Kosara and Jovan Vladimir had a daughter, who married Stefan Vojislav, prince of Zeta.Tsar Samuel died in 1014 and he was succeeded by his son Gavril Radomir, but his reign was short