Saint Ksenya Yurievna

Княжна Тарусская, Княгиня Тверская

https://everything.explained.today/Xenia_of_Tarusa/
https://gedbas.de/person/show/1155807234
https://www.biographies.net/biography/xenia_of_tarusa/m/04d_scb
https://en.wikipedia.org/wiki/Xenia_of_Tarusa

Xenia of Tarusa (Russian: Ксения Тарусская) (c. 1246 – 1312), also known as Kseniya Yurievna (Russian: Ксения Юрьевна), (also Ksenia) [1] was a Princess consort of Tver and Grand Princess consort of Vladimir from 1267 to 1271. She is counted among the saints of the Russian Orthodox Church.

Xenia of Tarusa was a daughter of Youri Mikhailovich, Prince of Tarusa.[2]

She married Yaroslav III (Yaroslav Yaroslavich), Prince of Tver and Grand Prince of Vladimir in 1265.[1] During her marriage and the reign of her husband she was unusually influential in the affairs of the state and remained so even after Yaroslav's death in 1271. Soon after she retired to the women's monastery in Novgorod yet continued to play an influential role in the affairs of the principality. She died in 1312 as a nun and was buried in the Transfiguration Cathedral [ru] she founded.

Canonization
Soon after her death she was canonized locally, and again in 1988.[3]

She is revered in the Diocese of Tver: Her Memorial Day is on the first Sunday after June 29.

https://www.wikiwand.com/en/Xenia_of_Tarusa

Xenia of Tarusa (Russian: Ксения Тарусская) (c. 1246 – 1312), also known as Kseniya Yurievna (Russian: Ксения Юрьевна), was a Princess consort of Tver and Grand Princess consort of Vladimir from 1267 to 1271. She is counted among the Saints of the Russian Orthodox Church.

Xenia of Tarusa was a daughter of Youri Mikhailovich, Prince of Tarusa.

She married Yaroslav III (Yaroslav Yaroslavich), Prince of Tver and Grand Prince of Vladimir in 1265. During her marriage and the reign of her husband she was unusually influential in the affairs of the state and remained so even after Yaroslav's death in 1271. Soon after she retired to the women's monastery in Novgorod yet continued to play an influential role in the affairs of the principality. She died in 1312 as a nun and was buried in the Transfiguration Cathedral [ru] she founded.

Canonization
Soon after her death she was canonized locally, and again in 1988.

She is revered in the Diocese of Tver: Her Memorial Day is on the first Sunday after June 29.

https://www.findagrave.com/memorial/240489673/ksenia-yurievna