<page_title> List of consorts of Württemberg </page_title> <section_title> Queen consort of Württemberg, 1806–1918 </section_title> <table> <cell> Olga Nikolaevna of Russia <col_header> Name </col_header> </cell> <cell> Charles I <col_header> Spouse </col_header> </cell> </table>
Charles became the third king of Württemberg, making Olga the fourth queen of Württemberg.