bn:02978982n
Noun Named Entity
JA
アレクセイ・アレクセーエヴィチ
EN
Tsarevich Alexei Alexeyevich was the second son and heir of Tsar Alexis of Russia and Maria Miloslavskaya, brother of Tsar Feodor III, Tsar Ivan V, and Tsarevna Sophia and half-brother of Tsar Peter the Great. Wikipedia
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