Duchess Sibylle of Saxe Lauenburg
Sibylle of SaxeLauenburg was Margravine of BadenBaden. Born a Duchess of SaxeLauenburg, she was the wife of Louis William, Margrave of BadenBaden, a famous Imperial general who was known as the Trkenlouis. She acted as consort of the ruler of BadenBaden and then regent of BadenBaden for her son Louis George.
Franziska Sibylle Augusta was born in 1675 at the Schloss Ratzeburg the second daughter of Julius Francis, Duke of SaxeLauenburg and his wife Countess Palatine Maria Hedwig Augusta of Sulzbach.
Source: Wikipedia