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The details
Biography
Marulis was the Catepan of Italy from 1061 to 1062. He was the first recorded holder of that title since the disappearance of Argyrus in 1057. He went to Bari in 1061 at the request of Constantine X Ducas, the last Byzantine emperor who took an interest in recovering ground in Italy, but he was forced to take the defensive immediately.
He was succeeded by Sirianus.