John Komnenos Asen [SEP] date of death
John Komnenos Asen
John Komnenos Asen (, "Yoan Komnin Asen"; , "Iōannēs Komnēnos Asanēs"; , "Jovan Komnin Asen") was the ruler of the Principality of Valona from circa 1345 to 1363, initially as a Serbian vassal and after 1355 as a largely independent lord. Descended from high-ranking Bulgarian nobility, John was a brother of both Tsar Ivan Alexander of Bulgaria and Helena of Bulgaria, the wife of Tsar Stephen Dušan of Serbia. Perhaps in search of better opportunities, he emigrated to
John Komnenos Doukas
John Komnenos Doukas (, "Iōannēs Komnēnos Doúkas"), Latinized as Comnenus Ducas, was ruler of Thessalonica from 1237 until his death in 1244.
John was the eldest son of Theodore Komnenos Doukas and Maria Petraliphaina. In 1230 his father was captured together with his family in the Battle of Klokotnitsa by Ivan Asen II of Bulgaria. When his sister Irene married Ivan Asen II in 1237, John was released from captivity together with his now blind father Theodore and his younger brother Demetrios. Theodore and