Heinrich I Prince of ANHALT, PRINCE OF SAXONY
He married Irmgard Princess of Thuringia Abt 1211 . Irmgard Princess of Thuringia was born at of Wartburg Bei Eisenach, Sachsen-Weimar-Eisenach, Thuringia Abt 1186 daughter of Hermann I, Landgrave of Thuringia and Sofie, Countess of Sommerschenburg .
They were the parents of 11
children:
Sofie Princess of Anhalt, Countess of Anhalt
born Abt 1212/16.
Heinrich II Prince of Anhalt-Aschersleben
born Abt 1214.
Jutte Princess of Anhalt, Princess of Saxony
born Abt 1215.
Bernhard I Prince of Anhalt-Bernburg
born Abt 1218.
Albrecht Prince of Anhalt
born Abt 1220.
Hermann Prince of Anhalt
born Abt 1222.
Magnus Prince of Anhalt
born Abt 1224.
Otto Prince of Anhalt
born Abt 1226.
Hedwig Princess of Anhalt
born Abt 1228.
Siegfried I Prince of Anhalt-Zerbst-Dessau-Kothen
born 1230.
Gertrude Princess of Anhalt
born Abt 1232.
Heinrich I Prince of Anhalt, Prince of Saxony died 1251/52 .
Irmgard Princess of Thuringia died Abt 1244 .