Philipp von Zesen

Philipp von Zesen, also Filip Cösius or Caesius (originally Ph. Caesien, Filip Zesen, Filip von Zesen, in Latin Philippus Caesius à Fürstenau, Philippus Caesius à Zesen) (8 October 1619 O.S. – 13 November 1689 O.S.) was a German poet, hymnist and writer. Some of his works are published under his pen name Ritterhold von Blauen.