Who is the actor who played the role of Yakup Bey in Establishment Osman? How was the Germiyanoğulları Principality established in history?

The actor, who played the role of Yakup Bey in the TV series Establishment Osman, is the founder and first ruler of the Germiyanoğulları Principality. He plays Yakub Bey. Yakup Bey is a political genius who serves Turkish and Islamic unity. Pointing his sword at armies larger than himself, Yakup Bey's dream is to establish a state and become a sultan. So, who is Yakup Bey? How was the Germiyanoğulları Principality established? Here are the things you are curious about…

Who is Yakup Bey?

Yakup Bey ruled the Germiyanoğulları Principality three times. His grandfather was Çahşadan Mehmed bin Yakub, his mother was the daughter of Mübarizüddin Umur bin Savcı, his father was Süleyman Şah, his brother-in-law was Bayezid I and his brother was Devletşah Hatun. His uncle is Yakub Bey bin Umur, one of the emirs of Yakub Bey I.

Yakub Bey, who came to power in 1387 after the death of his father Suleyman Shah, ruled the country without engaging in any wars. Like other Anatolian lords, he sent auxiliary soldiers to the First Kosovo War between the Ottoman Empire and the Crusaders. However, Yakub Bey, who wanted to take advantage of the death of Murad I in this war, started to invade the places that were annexed to the Ottoman lands as his sister's dowry. This situation drew the reaction of his brother-in-law, Yıldırım Bayezid, and he arrested Yakub Bey and imprisoned him in İpsala Castle in Rumelia.

Yakub Bey was released after Timur came to Anatolia and re-established the Germiyanoğulları Principality. Yakub Bey, who made an alliance with Timur, fought against the Ottomans in the Battle of Ankara. Yakub Bey, who gained power in Anatolia after the war, wanted to make peace with the Ottoman Empire, but he could not succeed.

Yakub Bey passed away in 1428 and his sister's grandson II. He made a will to Murad. Thus, the Germiyanoğulları Principality ended and joined the Ottoman Empire.

How was the Germiyanoğulları Principality established?

Germiyanoğulları Principality is a principality founded in Western Anatolia, centered in Kütahya, during the Anatolian Principalities period, which began with the collapse and disintegration of the Anatolian Seljuk State. The meaning of the name Germiyan is derived from the Persian word germa, meaning "hot", with the Persian plural suffix -yân. It means "hot springs".

There are various opinions about the origin of the Germiyanoğulları tribe. According to some, they come from the Kayı tribe of the Oghuzs. According to some, they are the grandchildren of Selçuk Beg, the founder of the Seljuk State.

The founder of the Germiyanoğulları Principality is Süleyman Şah. Süleyman Shah captured Kütahya in 1280 and made it the capital. Süleyman Shah, the last ruler of the Anatolian Seljuk State. He is Gıyaseddin Mesud's son-in-law. In 1302, Süleyman Shah faced Osman Gazi, the founder of the Ottoman Empire, in the Battle of Bapheus. In this war, the Ottomans were victorious and the Germiyanoğulları Principality lost land.

After the death of Süleyman Shah, his son Yakub Bey I became the head of the Germiyanoğulları Principality. Yakub I established good relations with the Ottoman Empire and married his sister Nilüfer Hatun to Orhan Gazi. Yakub Bey I died in 1340 and was succeeded by his son II. Suleiman Shah passed.

II. Süleyman Shah made the Germiyanoğulları Principality experience its brightest period. Germiyanoğulları Principality, which became a powerful state in Anatolia, struggled with Karamanoğulları, Eretna State and Ottoman Empire. II. Süleyman Shah died in 1387 and was succeeded by his son II. Yakub Bey passed.

II. Yakub Bey became the last ruler of the Germiyanoğulları Principality. Yakub Bey reigned three times and bequeathed the Germiyanoğulları Principality to the Ottoman Empire.