Tags: Noble.
Agnes of Landsberg (1192 or 1193 – 1266 in Wienhausen) was a German noblewoman. She was the third child of Conrad II ( 1159-1210) Margrave of Lusatia and his wife Elisabeth (c. 1153 – 1209) the daughter of Mieszko III the Old (1126-1202) Duke of Poland. She was a daughter-in-law of Henry the Lion.