Emich Carl, Prince of Leiningen was the reigning Fürst of the Principality of Leiningen. After his death, his widow, Princess Victoria of Saxe-Coburg-Saalfeld, married a son of George III of the United Kingdom and became the mother of Victoria, Queen of the United Kingdom.

Princess Victoria of Saxe-Coburg-Saalfeld, later Princess of Leiningen and subsequently Duchess of Kent and Strathearn, was a German princess and the mother of Queen Victoria of the United Kingdom. As the widow of Charles, Prince of Leiningen, from 1814, she served as regent of the Principality during the minority of her son from her first marriage, Karl, until her second wedding in 1818 to Prince Edward, fourth son of George III.