"Philip of Nassau or Filips of Nassau (1 December 1566, Dillenburg – 3 September 1595, Rheinberg) was a Count of Nassau, Katzenelnbogen, Vianden and Dietz, fought for the United Provinces during the Eighty Years' War. He was the son of John VI and Countess Elisabeth of Leuchtenberg.
Philip studied with his brother William Louis and his cousin Maurice in Heidelberg, and later with his cousin Maurice in Leiden. He then spent some time in the retinue of his uncle William the Silent, who called him Flipchen ("Flippy"). Later, he enlisted in the Dutch States Army and in 1585 he became Colonel of the infantry." - (en.wikipedia.org 28.12.2020)