Günther VIII of Kevernburg - 28 Aug 1318/22 Aug 1324 (b. 1250) Parents Sofie von Lüchow Günther VI of Kevernburg Children Günther XII of Kevernburg Sophie of Käfernburg Siblings Günther IX, Count of Käfernburg Mechtild of Käfernburg I Partners Irmgard of Schwarzburg