Duchess Sophia Charlotte of Oldenburg (2 February 1879-29 March 1964) was the only surviving child of Frederick Augustus II, Grand Duke of Oldenburg by his first wife Princess Elisabeth Anna of Prussia.
Duchess Sophia Charlotte of Oldenburg (2 February 1879-29 March 1964) was a member of the House of Holstein-Gottorp. She was the only surviving child of Frederick Augustus II, Grand Duke of Oldenburg by his first wife Princess Elisabeth Anna of Prussia.