Ishaq Bay Kraloglu

The first years of Iskhak's life were called Sigismund Tomashevich. Sigismund's father was Stepan Tomash . As the illegitimate son of Stepan Ostoi , Sigismund's father was not the heir to the throne. Therefore, he was married to a simple woman, Voyache. From this marriage he had a son, Stepan Tomashevich . When in 1443 Stepan Tomash became king, he needed strong allies. He converted from Bosnian church to Catholicism and asked the pope for a divorce. In 1445, Eugene IV recognized Stepan as king of Bosnia and gave permission to divorce Voyache. On May 26, 1446, Stefan Tomas married Katarina , the daughter of Stepan Vukchich Kosach . The date of birth of Sigismund is unknown, but in 1449 Stepan informed the authorities of Ragusa about the birth of his son. Probably, it was about Sigismund. Raguzan, according to the usual custom, sent gifts to parents, as well as to the baby. In addition to Sigismund from Katerina, Stepan Tomash had a daughter, also Katerina ^{[1] [2]} .

After the death of his father in 1461, the king became the older brother of Sigismund, Stepan Tomashevich , whose mother was rejected by the first wife of Stepan Tomash. Sigismund’s grandfather, Stepan Vukchich Kosacha, Katerina’s father, did not demand a crown on behalf of his grandson. He understood that Bosnia needed an adult monarch because of the threat of an attack by the Ottoman Empire. During the reign of his brother, Sigismund lived in the castle of Kozi- Gradek nad Fojnice with his sister and mother. Perhaps the king did not want his brother to be with him at the court in Egg , especially since Sigismund was probably considered the heir ^{[3] [4]} .

The Ottomans invaded Bosnia in May 1463. The royal family, apparently, tried to confuse them, separating during the flight and moving towards Croatia and the coast in different ways. Sigismund and his sister, separated from their mother, fell into the hands of the Ottomans in the city of Zvechan , not far from Egg. The king, the brother of Sigismund, surrendered in Klyuch and was executed shortly afterwards. Queen Katarina managed to get to the coast ^[5] . She left Stepan Tomash’s silver sword in Ragusa and instructed the authorities to hand it over to Sigismund if he ever “freed himself from Turkic captivity”. Living in Rome, she constantly tried to find an opportunity to redeem her children, Sigismund and Katarina ^[2] . In 1474, Sigismund's mother went to the border of the Ottoman Empire, possibly wanting to establish contact with her half-brother Hersekli Ahmed , who converted to Islam and served the Sultan, but the plan failed ^{[2] [6]} .

In 1475, Sig's mother’s last attempt to pay ransom for him failed. The exact time of Sigismund's conversion to Islam is unknown. By the spring of 1476, when the Ottomans made the cousin of Bosnia his cousin Matthias, Sigismund was already a Muslim, otherwise the Ottomans would have made him king ^[7] . Ishak Kraloglu (the son of the king) became the new name of Sigismund. His mother knew the news about his life: shortly before her death, in October 1478, Queen Katarina wrote a will in which she named her son the heir to the Bosnian throne, subject to return to Christianity ^{[2] [8]} .

Sigismund participated in the 1473 battle of Otlukbeli as part of the retinue of Mehmed, and witnessed the victory over Uzun Hassan ^[7] . Ishaq was a close associate of the Sultan and was his favorite, together they had lunch and played backgammon , Ishaq often entertained Mehmed with his “rude jokes” ^{[7] [9]} . He served under the direction of his mother’s half-brother, Ahmed Pasha . Uncle was younger than Ishaq and arrived in Istanbul later, in 1472, and also became a favorite of the Sultan. The advance of Ahmed and Ishaq in his career continued during the reign of the son and successor Mehmed Bayazid II (the wife of Hersekli Ahmed was the sister of Bayazid) ^[7] . Ishaq reached the post of Sanjakbey of the former Beylik of Karas and took part in the Ottoman-Mamluk war (1485-91) , fighting first under the command of Khadim Yakup Pasha, and then together with his uncle near Adana . Ahmed Pasha and Ishaq Bey were defeated and captured in 1486. It is known that Ishaq was released from captivity until August 17, 1488, because on that day he participated in yet another unsuccessful battle against the Mamelukes. In this battle, Ishaq was on the right flank, which had left the battlefield ahead of time, which was one of the reasons for the defeat. After that, Ishaq Bey was convicted and acquitted ^[10] . The last mention of Ishaq dates back to 1493 - on September 9, Ishaq participated in the battle on the Krbava field , in which the Ottoman army won ^[11] .

Ishaq Bey was the last known member of the House of Kotromanich ^[12] .

As a timar, Ishaq was given lands with three villages in the Eskisehir region. From the surviving vakuf documents, it is known that after Ishak’s death, Timar’s son, Mehmed Bey, owned the timar. ^[13]

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