Orkhan(ôr-khän`), 1288?–1362?, Ottoman sultan (1326–1362?), son and successor of Osman IOsman I
or Othman I
, 1259–1326, leader of the Ottoman Turks and founder of the dynasty that established and ruled the Ottoman Empire. The Osmanli or Ottoman Turks derive their name from Osman.
..... Click the link for more information. as leader of the Ottoman Turks. He defeated Byzantine Emperor Andronicus III and conquered large parts of Asia Minor, including Nicaea and Izmit. In 1345 the Ottomans first crossed into Europe to aid Byzantine Emperor John VIJohn VI
(John Cantacuzene) , c.1292–1383, Byzantine emperor (1347–54). He was chief minister under Andronicus III, after whose death he proclaimed himself emperor and made war on the rightful heir, John V. He was aided by the Ottoman Turks.
..... Click the link for more information. (John Cantacuzene). Orkhan married John's daughter Theodora. Orkhan crossed the Dardanelles two more times, assisting John against Stephen Dušan of Serbia and gaining for the Ottomans a foothold in Europe. He left a well-organized state to his son and successor, Murad IMurad I
, 1326?–1389, Ottoman sultan (1362?–1389), son and successor of Orkhan to the throne of the Ottoman Empire (Turkey). Murad widened the Ottoman hold on European territory, conquering Macedonia and making Adrianople his residence.
..... Click the link for more information. . Orkhan was the first Ottoman ruler to assume the title of sultan.