Princess Elisabeth Sophie of Brandenburg

Elisabeth Sophie of Brandenburg
Portrait by Gedeon Romandon, 1691
Duchess consort of Courland
Tenure29 April 1691 – 22 January 1698
Margravine consort of Brandenburg-Bayreuth
Tenure30 March 1703 – 20 May 1712
Duchess consort of Saxe-Meiningen
Tenure3 June 1714 – 24 November 1724
Born(1674-04-05)5 April 1674
Cölln, Brandenburg-Prussia
Died22 November 1748(1748-11-22) (aged 74)
Römhild, Sachsen-Meiningen
Spouse
(m. 1691; died 1698)

(m. 1703; died 1712)

(m. 1714; died 1724)
IssueFrederick William, Duke of Courland
Leopold Charles Kettler
HouseHohenzollern
FatherFrederick William, Elector of Brandenburg
MotherSophia Dorothea of Schleswig-Holstein-Sonderburg-Glücksburg

Elisabeth Sophie of Brandenburg (5 April 1674 – 22 November 1748), was a Duchess consort of Courland by marriage to Duke Frederick Casimir Kettler of Courland, a Margravine consort of Brandenburg-Bayreuth by marriage to Christian Ernst, Margrave of Brandenburg-Bayreuth, and a Duchess consort of Saxe-Meiningen by marriage to Ernst Ludwig I, Duke of Saxe-Meiningen. She was joint regent in Courland during the minority of her son Frederick William, Duke of Courland from 1698 until 1701.