Countess Claudine Rhédey de Kis-Rhéde
Countess Claudine Susanna Rhédey de Kis-Rhéde (Hungarian: Gróf kisrédei Rhédey Klaudina Zsuzsanna; 21 September 1812 – 1 October 1841) was the Hungarian wife of Duke Alexander of Württemberg. Her son, Francis, Duke of Teck, was the father of Mary of Teck, queen consort to George V of the United Kingdom.
Source: Wikipedia — Countess Claudine Rhédey de Kis-Rhéde (CC BY-SA 4.0)