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

"John (son of Theodosius I and Galla)"

Triples (1)

Triples where some other subject referred to this entity as "John (son of Theodosius I and Galla)".

Galla → child →
"John (son of Theodosius I and Galla)"
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