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Sophia Dorothea(sōfī`ə dŏrəthē`ə), 1666–1726, electress of Hanover, wife of Elector George Louis (later King George I of England); sometimes called Sophia Dorothea of Celle. Married to George in 1682, she bore him two children: George, later George II of England, and Sophia Dorothea, who became the wife of Frederick William I of Prussia. In 1694 she was accused of having an affair with Count Philipp KönigsmarkKönigsmark, Countess Maria Aurora
, 1666–1728, Swedish noblewoman; sister of Count Philipp Christoph Königsmark. She went to Dresden in search of her missing brother and there became the mistress of Augustus II of Poland and Saxony.
..... Click the link for more information. . Her presumed lover disappeared (probably murdered), and she herself was divorced and imprisoned for life. George I's harsh treatment of her was one major cause of the king's unpopularity in England.