Interesting thing about Janissaries is that though they were foreigners, warrior slaves forcefully taken from their Christian families at young age, quite a few

Interesting thing about Janissaries is that though they were foreigners, warrior slaves forcefully taken from their Christian families at young age, quite a few of them managed to move up the ranks and become very powerful military leaders and statesmen, even Grand Viziers (the most powerful person after Sultan). A lot of Ottoman Grand Viziers were not of Turkish origin actually.