Bernhard I, Prince of Anhalt-Bernburg (ca. 1218 – 1287) was a German prince of the House of Ascania and ruler of the principality of Anhalt-Bernburg.
He was the second son of Henry I, Count of Anhalt (who was elevated to the rank of prince in 1218), by his wife Irmgard, daughter of Hermann I, Landgrave of Thuringia.
After the death of Henry I in 1252, the surviving sons of the late prince divided his lands between them according to the laws of the House of Ascania. Bernhard received Bernburg.
In Hamburg on 3 February 1258, Bernhard married Princess Sophie (b. 1240 - d. aft. 1284), daughter of King Abel of Denmark. They had six children:
Preceded by Henry I |
Prince of Anhalt-Bernburg 1252–1287 |
Succeeded by John I and Bernhard II |