Disambiguation evidence for Alexei Petrovich, Tsarevich of Russia via surface form

"Tsarevich Alexei Petrovich of Russia"

Triples (1)

Triples where some other subject referred to this entity as "Tsarevich Alexei Petrovich of Russia".

Alexei Alexeyevich Romanov → title →
"Tsarevich Alexei Petrovich of Russia"
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