Gunther Xl, Count of SCHWARZBURG-BLANKENBURG
He married Elisabeth, Countess of Isenburg Kelsterbach at Ronneburg, Oberhessen, Hessen . Elisabeth, Countess of Isenburg Kelsterbach was born at of Ronneburg, Oberhessen, Hesse-Darmstadt Abt 1505 daughter of Philipp, Count of Isenburg Budingen and Amalie, Countess of Rieneck .
They were the parents of 10
children:
Gunther Xli, Count of Schwarzburg
born 25 Sep 1529.
Magdalene Countess of Schwarzburg
born 6 Sep 1530.
Amalie, Countess of Schwarzburg
born 3 Nov 1531.
Johann Gunther I, Count of Schwarzburg Sondershausen
born 20 Dec 1532.
Wilhelm, Count of Schwarzburg
born 4 Oct 1534.
Philipp I, Count of Schwarzburg
born 12 Apr 1536.
Albrecht VII, Count of Schwarzburg Rudolstadt
born 16 Jan 1537.
Otto Heinrich, Count of Schwarzburg
born 15 Jul 1538.
Anna Sibylle, Countess of Schwarzburg
born 25 Oct 1540.
Elisabeth Countess of Schwarzburg-Blankenburg
born 13 Apr 1541.
Gunther Xl, Count of Schwarzburg-Blankenburg died 10 Nov 1552 at Gehren, S-Sndr, Thuringia .
Elisabeth, Countess of Isenburg Kelsterbach died 14 May 1572 at Sondershausen, Schwarzburg-Sondershausen, Thuringia .