Richard, 6th Prince of Sayn-Wittgenstein-Berleburg was born Richard Casimir Karl August Robert Konstantin on October 29, 1934, in Giessen, Germany and died on March 13, 2017, in Berleburg.
He was the head of the House of Sayn-Wittgenstein-Berleburg and husband of Princess Benedikte of Denmark.
He was raised in Sweden with his maternal grandfather, the Duke of Otrante, at Elghammar Castle. He attended the boarding schools Viggbyholm and Sigtuna.
He studied forest science at Munich University, Prince Richard obtained his forestry diploma at the University of Göttingen in Hann.
He married Princess Benedikte of Denmark at Fredensborg Palace Church on February 3, 1968.
He died at castle of Berleburg in Germany
Prince Richard passed away at 82 years old.