Disambiguation evidence for John (son of Constantius III and Galla Placidia) via surface form

"John (son of Constantius III and Galla Placidia)"

Triples (1)

Triples where some other subject referred to this entity as "John (son of Constantius III and Galla Placidia)".

Valentinian III → sibling →
"John (son of Constantius III and Galla Placidia)"
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