Who is XXX's sister?
Ecdicius
Ecdicius was elevated to the rank of patrician by the new emperor Julius Nepos, and invested with the title magister militum praesentialis, apparently with the intent to wage war against the Visigoths; when Sidonius learned of this promotion, he shared his hopes with his wife Papianilla that Ecdicius might gain victories and be rewarded with the Consulate.
Papianilla