In the later battle of Kossovo of 14 4 8, between the Hungarians, led by Hunyadi Janos and the sultan Hungary Murad II., the Walachian contingent treacherously surrendered to the Turks; but this did not hinder the prevalent laxity of marriage, the frequency of divorce, and the fact that illegitimate children could succeed as well as those born in lawful wedlock, by multiplying the candidates for the voivodeship and preventing any regular system of succession, contributed much to the internal confusion of the country.