Karl, Prince of Leiningen was a German military officer and the eldest surviving son of Emich, Prince of Leiningen. Upon his father's death in 1939, he became the sixth Prince of Leiningen.
Emich Kyrill, Prince of Leiningen was a German entrepreneur and son of Karl, Prince of Leiningen. He was the 7th Prince of Leiningen from 1946 until his death in 1991.
Karl, Prince of Leiningen (1898–1946)
…They had seven children: Emich Kyrill, Prince of Leiningen (18 October 1926 – 30 October 1991) married Duchess Eilika of Oldenburg (second of three daughter of Nicolas Frederick William, Hereditary Grand Duke…