Friedrich Karl Graf zu Sayn-Wittgenstein-Sayn (1726-1781) (1726–1781) Parents Louis-François of Sayn-Wittgenstein-Berlebourg-Ludwigsbourg Helene Emilie zu Sayn-Wittgenstein-Berleburg Children Siblings Helene Gräfin zu Sayn-Wittgenstein-Berleburg Georges Ernst de Sayn, comte Wittgenstein-Berlebourg Count Christian Louis Casimir, 2nd Count of Sayn-Wittgenstein-Ludwigsburg Partners Sophie Ferdinande Helene Gräfin zu Sayn-Wittgenstein-Berleburg