Career

They had the following children:

Irmgard (b 1197), married in 1211 to Count Henry I of Anhalt

Louis IV (1200-1227)

Herman (1202-1216)

Henry Raspe (1204-1247)

Agnes, married twice:

in 1225 to Henry "the Profane" of Babenberg (1208-1228), a son of Margrave Leopold IV of Austria

in 1229 to Duke Albert I of Saxony (c 1175 – 1261).