Uliana Alexandrovna of Tver (ca. 1325 – autumn 1392) was a daughter of Grand Prince

Grand Prince

The title grand prince or great prince ranked in honour below emperor and tsar and above a sovereign prince .Grand duke is the usual and established, though not literal, translation of these terms in English and Romance languages, which do not normally use separate words for a "prince" who reigns...

 Alexander of Tver and Anastasia of Halych, and second wife of Grand Prince of Lithuania Algirdas

Algirdas

Algirdas was a monarch of medieval Lithuania. Algirdas ruled the Grand Duchy of Lithuania from 1345 to 1377, which chiefly meant monarch of Lithuanians and Ruthenians...

. After the death of her husband Uliana became a nun under the name Marina. She died after 1392.

In 1349 Algirdas

Algirdas

Algirdas was a monarch of medieval Lithuania. Algirdas ruled the Grand Duchy of Lithuania from 1345 to 1377, which chiefly meant monarch of Lithuanians and Ruthenians...

 the Grand Prince of Lithuania

Grand Duchy of Lithuania

The Grand Duchy of Lithuania was a European state from the 12th /13th century until 1569 and then as a constituent part of Polish-Lithuanian Commonwealth until 1791 when Constitution of May 3, 1791 abolished it in favor of unitary state. It was founded by the Lithuanians, one of the polytheistic...

 sent an embassy to the Golden Horde

Golden Horde

The Golden Horde was a Mongol and later Turkicized khanate that formed the north-western sector of the Mongol Empire...

, proposing to khan

Khan (title)

Khan is an originally Altaic and subsequently Central Asian title for a sovereign or military ruler, widely used by medieval nomadic Turko-Mongol tribes living to the north of China. 'Khan' is also seen as a title in the Xianbei confederation for their chief between 283 and 289...

 Jani Beg

Jani Beg

Jani Beg was a khan of the Golden Horde from 1342 to 1357, succeeding his father Uzbeg Khan.After putting two of his brothers to death, Jani Beg crowned himself in Saray-Jük. He is known to have actively interfered in the affairs of Russian principalities and of Lithuania...

 to form an alliance against Prince Simon

Simeon of Russia

Simeon Ivanovich Gordyi was Prince of Moscow and Grand Prince of Vladimir. Simeon continued his father's policies of supporting the Golden Horde and acting as its leading enforcer in Russia. Simeon's rule was marked by regular military and political standoffs against Novgorod Republic and...

 of Moscow

Moscow

Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...

; but this proposal was not accepted. Then Algirdas in 1350 concluded peace with Simon and was married for a second time to his sister-in-law (Uliana's sister Maria was married to Simon), princess Uliana of Tver.

Uliana and Algirdas had thirteen children: six sons and seven daughters. Their oldest son Jogaila

Jogaila

Jogaila, later 'He is known under a number of names: ; ; . See also: Jogaila : names and titles. was Grand Duke of Lithuania , king consort of Kingdom of Poland , and sole King of Poland . He ruled in Lithuania from 1377, at first with his uncle Kęstutis...

 inherited the throne and became Grand Duke of Lithuania. In 1386 he was also crowned as King of Poland.