Boris of Tver
Prince
Boris Aleksandrovich of Tver or Boris the Great was a Grand Prince of Tver from 22 April 1426 until his death. Wikipedia
Born: 1400
Died: February 10, 1461 (age 61 years)
Grandchildren: Ivan the Young and Inokinya Aleksandra
Great-grandparents: Mikhail II of Tver, Kęstutis, and Birutė
Children: Mikhail III of Tver and Maria of Tver
Partner: Anastasiya Andreyevna and Anastasiya
Parents: Aleksandr Ivanovich of Tver