Sophie is the French form of the Greek Sophia, for which it is also commonly used as a nickname. Sophies are scattered throughout European royal history, including Sophie of Thuringia, Duchess of Brabant, Princess Sophie of Sweden, and in modern times, Sophie, Duchess of Wessex, the wife of Britain's Prince Edward.
Sophie was born at Zechlin castle, Rheinsberg, a daughter of the Elector of Brandenburg John George (1525–1598) by his second marriage with Sabina of Brandenburg-Ansbach (1548–1575), daughter of Margrave George of Brandenburg-Ansbach. On 25 April 1582 in Dresden, Sophie married Elector Christian I of Saxony (1560–1591).
After the death of Duke George William of Brunswick-Lüneburg in 1705, King George I inherited the state of Lüneburg, being both the benefactor of Georges William's 1658 renunciation in favour of his younger brother Ernest Augustus and the husband of the Duke's morganatic daughter, Sophie Dorothea, later known as the "Princess of Ahlden".
Sofia del Palatinato, duchessa consorte di Brunswick-Lüneburg Sofia Dorotea di Württemberg , imperatrice consorte di Russia con il nome di Marija Fëdorovna Sofia Cacherano di Bricherasio , pittrice e filantropa italiana
Cependant, Sophie est décédée en juin 1714, deux mois avant la mort de la reine Anne. Par conséquent, le fils aîné de Sophie, l'électeur George Louis, monte sur le trône de la Grande-Bretagne sous le nom du roi Georges I er. Les deux premiers monarques de la maison de Hanovre, Georges I er et son fils George II ont encore grandi à Hanovre.