Karl, 6th Prince of Leiningen German noble (1898-1946) (1898–1946) Parents Princess Feodore of Hohenlohe-Langenburg Emich, 5th Prince of Leiningen Children Princess Margarita of Leiningen Emich, 7th Prince of Leiningen Princess Mechtilde of Leiningen Prince Peter of Leiningen Prince Friedrich of Leiningen Prince Karl of Leiningen Princess Kira Melita of Leiningen Siblings Hermann of Leiningen Viktoria Prinzessin zu Leiningen Emich Prinz zu Leiningen Hesso of Leiningen Partners Grand Duchess Maria Kirillovna of Russia