Adalbero of Styria This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Adalbero_of_Styria".
Adalbero (died 1086 or 1087) was Margrave of Styria from 1064 until 1082. He sided with the Emperor in the investiture dispute, which led to a confrontation with his younger brother Ottokar II, who sided with the Pope and replaced him in 1082.