Princess Mechtilde of Leiningen German Noble (1936-2021) (1936–2021) Parents Grand Duchess Maria Kirillovna of Russia Karl, 6th Prince of Leiningen Children Berthold Bauscher Johann Bauscher Ulf-Karl Bauscher Siblings Princess Margarita of Leiningen Prince Karl of Leiningen Prince Peter of Leiningen Princess Kira Melita of Leiningen Emich, 7th Prince of Leiningen Prince Friedrich of Leiningen Partners Karl Anton Bauscher