Karigaila [SEP] father
Karigaila
Karigaila (, died on 16 September 1390 in Vilnius) was a son of Algirdas, Grand Duke of Lithuania, and his second wife Uliana of Tver. He became the ruler of Mstsislaw after he captured it from the Principality of Smolensk. He is sometimes mistaken for his brother Constantine, who was the founder of the House of Czartoryski.
After his older brother Jogaila signed the Union of Krewo, Karigaila was baptized as Casimir in Kraków in March 1386. He then left Poland for the eastern part of the
September 1390, the joint forces launched a five-week siege on the city. Vilnius' castles were held by Skirgaila, commanding combined Polish, Lithuanian, and Ruthenian troops. The Knights reduced much of the outer city to ruins and managed to destroy the Crooked Castle, which was never rebuilt. Vytautas' brother Tautvilas Kęstutaitis and Jogaila's brother Karigaila died during the siege. The besiegers ran into various difficulties. Their supplies of gunpowder were dwindling, the weather was deteriorating, the terms of service for some volunteers from western