Disambiguation evidence for Empire of Nicaea via surface form

"Byzantine Empire (at certain stages of the Interregnum)"

Triples (1)

Triples where some other subject referred to this entity as "Byzantine Empire (at certain stages of the Interregnum)".

Musa Çelebi → ally →
"Byzantine Empire (at certain stages of the Interregnum)"
↳ resolves to Empire of Nicaea
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