Sophie died on 24 November 1610, four weeks after the birth of her only son, Jacob, who later succeeded his paternal uncle Friedrich Kettler as Duke of Courland.
Mercantilism became prominent in Central Europe and Scandinavia after the Thirty Years' War (1618–1648), with Christina of Sweden, Jacob Kettler of Courland, Christian IV of Denmark being notable proponents.
Jacob | John Jacob Astor | Jacob M. Appel | Jacob Epstein | Jacob Zuma | Jacob Obrecht | Jacob Lawrence | Jacob Appel | John Jacob Astor IV | Irène Jacob | Jacob Jordaens | Paul Jacob | Meshullam ben Jacob | Kettler Capitals Iceplex | Jacob Riis | Jacob Grimm | Jacob Christian Schäffer | Jacob Appelbaum | Jacob Truedson Demitz | Jacob ter Veldhuis | Jacob's Ladder | Jacob's biscuits | Jacob's Award | Jacob Rothschild | Jacob L. Devers | Jacob Latimore | Jacob Kirkegaard | Jacob Kielland | Jacob J. Shubert | Jacob Hackenburg Griffiths-Randolph |