Prince Gustav is the head of the
House of Sayn-Wittgenstein-Berleburg, the senior branch of the formerly
princely house of
Sayn-Wittgenstein. He resides at
Schloss Berleburg-Wittgenstein in the town of
Bad Berleburg, in
North Rhine-Westphalia, Germany. He is the son of
Prince Richard of Sayn-Wittgenstein-Berleburg and
Princess Benedikte of Denmark and has two sisters,
Princess Alexandra of Sayn-Wittgenstein-Berleburg and
Princess Nathalie of Sayn-Wittgenstein-Berleburg. The principality and princely title of Sayn-Wittgenstein-Berleburg descended, historically, according to
semi-Salic primogeniture. The couple's son, Prince Gustav Albrecht, was born on 26 May 2023 in the
United States via surrogacy. On 26 April 2024, the couple welcomed their second child, a girl, Princess Mafalda, also via surrogacy. He is the godfather of Count Richard von Pfeil und Klein-Ellguth, son of his sister
Alexandra; Konstantin Johannsmann, son of his second sister
Nathalie; and
Prince Vincent of Denmark, son of his first cousin,
Frederik X. ==Ancestry==