Gunther XXV Von Schwarzburg-Blankenburg
Gunther XXV Von was born about 1330.  He died on June 6th, 1368.

 Elizabeth Von Honstein
Elizabeth Von was born about 1332.  She died after 1381.

 Gunther XXIX Von Schwarzburg-Blankenburg
Gunther XXIX Von was born in 1352.  He died at the age of 64 on July 17th, 1416.