He was born as the second son to his father Vlad Dracul . Vlad was born in SighiÈ oara , Transylvania ( part of the Kingdom of Hungary at the time ) , in the winter of 1431 to Vlad II Dracul , future voivode of Wallachia and son of the celebrated Voivode Mircea the Elder . His mother is believed to be the second wife of Vlad Dracul , Princess Cneajna of Moldavia , eldest daughter of Alexandru cel Bun .