<P> Fortunate, most fortunate are those hands of the twelve loyal lords who, having opened their way with the sword and having penetrated the enemy lines and the circle of chained camels, heroically reached the tent of Murat himself . Fortunate above all is that one who so forcefully killed such a strong vojvoda by stabbing him with a sword in the throat and belly . And blessed are all those who gave their lives and blood through the glorious manner of martyrdom as victims of the dead leader over his ugly corpse . </P> <P> Another Italian account, Mignanelli's work of 1416, asserted that it was Lazar who killed the Ottoman sultan . </P> <P> Both armies were annihilated in the battle; both Lazar and Murad lost their lives, and the remnants of their armies eventually retreated from the battlefield . Murad's son Bayezid strangled his younger brother Yakub Çelebi upon hearing that their father had died, thus becoming the sole heir to the Ottoman throne . The Serbs were left with too few men to defend their lands effectively, while the Turks had many more troops in the east . Consequently, the Serbian principalities that were not already Ottoman vassals became so in the following years, yielding one by one . Furthermore, in response to Ottoman pressure, some Serbian noblemen wed their daughters, including the daughter of Prince Lazar, to Bayezid . In the wake of these marriages, Stefan Lazarević became a loyal ally of Bayezid, going on to contribute significant forces to many of Bayezid's future military engagements, including the Battle of Nicopolis . Eventually the Serbian Despotate would, on numerous occasions, attempt to defeat the Ottomans in conjunction with the Hungarians until its final defeat in 1459 . </P> <P> The Battle of Kosovo is particularly important to Serbian history, tradition and national identity . </P>

Who won the battle of kosovo in 1389
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