Ioannes 210 was the father of Maurianos 9; a patrikios, he is recorded on a seal, dateable to the sixth or seventh century, which was owned by his son: Schlumberger, Sig., p. 477, no. 7 (facsimile). Obv.: Μα[υ] - ριανου - απο υπα - των. Rev.: +υιου - Ιωαννου - πατρι - κιου.

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