Input (grade 13): An agnatic relative of William III, John William Friso of Nassau, who also by female line descended from William the Silent, was designated the heir to the princes of Orange in the Netherlands by the last will of William III.
Output (grade 6): John William Friso of Nassau was chosen as the heir to the princes of Orange in the Netherlands by the last will of William III. John William Friso was also related to William the Silent through the female line.