Princess Agnes of Anhalt was a member of the German nobility, born in 1260. She was the daughter of Prince Henry I of Anhalt and Princess Sophie of Denmark. Agnes played a significant role in the political landscape of her time, often involved in alliances through marriage. In 1284, she married Count Otto IV of Ballenstedt, strengthening ties between their families. Agnes's lineage contributed to the development of the Anhalt principality, which was influential in medieval Germany. Her descendants continued to play important roles in regional politics and governance.