Note:  Do not rely on this information. It is very old.

Sophia Dorotheaof Zell

Sophia Dorothea of Zell, the only daughter of Duke George William of Brunswick-Luneburg-Zell (or Celle) was born in 1666. At the age of sixteen she married Prince George Louis of Hanover, afterwards George I. of England, and bore him a son and a daughter, the first becoming George II., whilst the latter was mother of Frederick the Great of Prussia. In 1694 Sophia was discovered in an amorous intrigue with Count Philip von Koingsmark, was divorced, and passed the rest of her days imprisoned at Ahlden, where she died in 1726.