Protosebastos
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The title of protosebastos (Greek: πρωτοσέβαστος, prōtosébastos, "first sebastos") was a high Byzantine court title created by Emperor Alexios I Komnenos.
The title of protosebastos (Greek: πρωτοσέβαστος, prōtosébastos, "first sebastos") was a high Byzantine court title created by Emperor Alexios I Komnenos.