"Zoe Palaiologina (Byzantine Greek: Ζωή Παλαιολογίνα), who later changed her name to Sophia Palaiologina (Russian: София Фоминична Палеолог; ca. 1449 – 7 April 1503), was a Byzantine princess, member of the Imperial Palaiologos family, Grand Princess of Moscow as the second wife of Grand Prince Ivan III. Through her eldest son Vasili III, she was also the grandmother of Ivan the Terrible, the first Tsar of All Russia." - (en.wikipedia.org 29.08.2021)
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