Irmgard of Schwarzburg German countess (d. 1340) Parents Günther VI, Count of Schwarzburg Mechtild of Käfernburg I Children Sophie of Käfernburg Günther XII of Kevernburg Siblings Henry VIII, Count of Schwarzburg-Leutenberg Günther X, Count of Schwarzburg-Wachsenburg Partners Günther VIII of Kevernburg