Clara Elisabeth, Countess of Platen-Hallermund (14 January 1648 - 30 January 1700, Schloss Monplaisir, in what is now the Von-Alten-Garten in Hannover) was a German noblewoman, most notable as the mistress of Ernest Augustus

Ernest Augustus, Elector of Brunswick-Lüneburg

Ernest Augustus was duke of Brunswick-Lüneburg and ruled over the Principality of Calenberg subdivision of the duchy. He was appointed prince-elector, but died before the appointment became effective...

 (Elector of Brunswick-Lüneburg) and for her involvement in the Königsmarck Affair.

Life

The eldest daughter of Georg Philipp von Meisenbug and his wife Anna Elisabeth von Meisenbug, Clara's father tried to get her and her sister Catharina positions at the French court at Versailles

Palace of Versailles

The Palace of Versailles , or simply Versailles, is a royal château in Versailles in the Île-de-France region of France. In French it is the Château de Versailles....

. When this attempt failed, he placed them at the court of Ernest Augustus, where Clara served as lady-in-waiting to duchess Sophia

Sophia of Hanover

Sophia of the Palatinate was an heiress to the crowns of England and Ireland and later the crown of Great Britain. She was declared heiress presumptive by the Act of Settlement 1701...

 and attracted the Duke's attentions. Exerting great influence on him, she bore him two children - Ernst August (1674–1726) and Sophia von Kielmansegg

Sophia von Kielmansegg, Countess of Darlington

Sophia Charlotte von Kielmansegg, Countess of Darlington and Countess of Leinster was a German-born British courtier and a half-sister of George I of Great Britain.-Early life:...

(1668–1717).