Sophia of Wittelsbach

Sophia of Wittelsbach (1170–1238) was a daughter of Otto I Wittelsbach, who was Count Palatine and later Duke of Bavaria, and his wife Agnes of Loon.

In 1196, Sophia married Landgrave Hermann I of Thuringia; she was his second wife. They had the following children:
 * Irmgard (b. 1197), married in 1211 to Count Henry I of Anhalt
 * Louis IV (1200–1227)
 * Herman (1202–1216)
 * Conrad (1204–1247), grand master of the Teutonic Knights
 * 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)