Gustav, 7th Prince of Sayn-Wittgenstein-Berleburg, is the eldest child and only son of Princess Benedikte of Denmark and Richard, 6th Prince of Sayn-Wittgenstein-Berleburg. His first cousin is King Fr
Prince Gustav in 2015
Richard, 6th Prince of Sayn-Wittgenstein-Berleburg was the head of the House of Sayn-Wittgenstein-Berleburg and husband of Princess Benedikte of Denmark.
The Prince in Stockholm at Crown Princess Victoria of Sweden's wedding celebrations, June 2010
Berleburg Castle