Regnum, Only Mussa was captured.
Some years of strife followed between the sons of Bayezid, in which three of them fell; Mussa, seizing Adrianople, laid siege to Constantinople, and Manuel Palaeologus, the emperor, appealed for aid to Mahommed, the other son, who had established himself at Brusa.
In 1413 Mahommed defeated Mussa, and thus remained sole heir to Bayezid's throne; in seven or eight years he succeeded Mahom- in regaining all the territories over which his father med 1., had ruled, whereas Timur's empire fell to pieces 1413-1421.
Two years after his accession Mahommed overcame a rebellion of the prince of Karamania and recaptured his stronghold Konia (1416), and then, turning northwards, forced Mircea, voivode of Walachia, who in the dispute as to the succession had supported Prince Mussa, to pay tribute.
E, Section through a dividing calicle of Mussa, showing the union of two septa in the plane of division, and the origin of new septa at right angles to them.