Venantius Opilio
Although he was consul as the junior colleague of emperor Justin I in 524 , Opilio is best known as one of the three men Boethius claimed in his "De consolatione philosophiae" provided evidence of his treason against king Theodoric , an act which led to Boethius' imprisonment and death . 
<triplet> Boethius <subj> De consolatione philosophiae <obj> notable work