He was tried by two Italian judges and was sentenced to death in 1651 .
In 1650 , Wilhelm Biener , following the death of the Archduchess , was charged with treason and embezzlement .
Wilhelm Biener was tried by two Italian judges and was sentenced to death in 1651 .
In 1650 , Wilhelm Biener , following the death of the Archduchess , was charged with treason and embezzlement .