Career
Prince Gustav is the Hereditary Prince of Sayn-Wittgenstein-Berleburg, the senior branch of the formerly princely house of Sayn. He 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.
If the unmarried and childless Gustav dies without legitimate issue, the family heritage devolves upon his father"s younger brother, Prince Robin zu Sayn-Wittgenstein-Berleburg.
Gustav was formerly engaged to be married to Elvire Pasté de Rochefort, with the engagement being announced on 16 August 2000 and wedding planned for 12 May 2001 in Paris. The wedding did not occur.
lieutenant was announced on 16 July 2001.
