Disambiguation evidence for Porphyrion via surface form

"Porphyrion (son of Sisyphus)"

Triples (1)

Triples where some other subject referred to this entity as "Porphyrion (son of Sisyphus)".

Glaucus (son of Sisyphus) → sibling →
"Porphyrion (son of Sisyphus)"
↳ resolves to Porphyrion
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