Ferdinand Friedrich Wilhelm was born on February 9, 1939, and died on September 9, 2015.
He was a German historian and royal.
Friedrich was the heir to his father, until September 18, 1967, when he renounced his succession rights.
He did so following his marriage to a German commoner, Waltraud Freytag.
They got married on August 22, 1967.
Because he married common citizens, his children are not members of the Prussian royal family, they are styled by the surname
Prinz or Prinzessin von Preussen.
Friedrich second wife, Ehrengard von Reden, they tied the knot on April 23, 1976.
These two marriages were dissolved by divorce in 1971 and 2004, respectively.
Wilhelm was a historian, he took great interest in specialized in his family’s history.
The prince was the eldest son of the late HI&RH Prince Louis Ferdinand of Prussia and HIH Grand Duchess Kira of Russia.
Wilhelm has written several books, most recently about Friedrich II.
Friedrich left behind his third wife, Sibylle Kretschmer, an artist, the couple marry in 2004, he had four children, Philip (a Lutheran pastor), by his first wife, and Friedrich Wilhelm, Viktoria-Luise and Joachim-Albrecht, by his second wife, two siblings, HRH Princess Marie Cecilie and HRH Prince Christian Sigismund of Prussia, and numerous nieces and nephews, including HI &RH Prince Georg Friedrich of Prussia, who is head of the Prussian royal house and seven grandchildren.
Friedrich Wilhelm passed away at 76 yrs old after a long illness in Berlin.