Henry IV, Count of Schwarzburg-Blankenburg German count (b. 1250) Parents Günther IV, Count of Schwarzburg Sophie Children Henry VI, Count of Schwarzburg-Blankenburg Jutta von Schwarzburg-Blankenburg Günther of Schwarzburg-Blankenburg (1311) Siblings unknown daughter von Schwarzburg-Blankenburg Sophie von Schwarzburg Christiane von Schwarzburg Günther V, Count of Schwarzburg Partners Sofie von Schwarzburg-Blankenburg