Casimir Sayn-Wittgenstein German politician (1917–2010) (1917–2010) Parents Elisabeth Prinzessin zu Sayn-Wittgenstein-Berleburg Otto-Konstantin Prinz zu Sayn-Wittgenstein-Berleburg Children Johannes Carl Franz August Prinz zu Sayn-Wittgenstein-Berleburg Richard Casimir Roger William Prinz zu Sayn-Wittgenstein-Berleburg Leonille Elisabeth Victoria Barbara Margarete Prinzessin zu Sayn-Wittgenstein-Berleburg Peter August Prinz zu Sayn-Wittgenstein-Berleburg Siblings Franz Wilhelm Prinz zu Sayn-Wittgenstein-Berleburg August Prinz zu Sayn-Wittgenstein-Berleburg Gottfried Prinz zu Sayn-Wittgenstein-Berleburg Alexandra Juliane Prinzessin zu Sayn-Wittgenstein-Berleburg Partners Iris Ryle Ingrid Alsen Beatrix von Eichel