German nobleman; first husband of Princess Victoria of Saxe-Coburg-Saalfeld
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 her only child from that marriage was Victoria, Queen of the United Kingdom. Wikipedia