I reigned as the Seljuq Sultan of Rûm from 1220 to 1237. He was also known
as Al? ad-D?n Kayqub?d bin Kayk?v?s (Persian
Turkish: I. Alâeddin Keykûbad, 1188–1237). Kayqubad being the
sultanate had an aim, he wanted to increase the boundaries of his territory
mainly by the disbursement of other nationals such as Mengujek Beylik and the
Ayyubids. He then founded a Seljuq presence on the Mediterranean by taking over
the port of Kalon Oros which was later famously known as Ala’iyya after his
name, in his honor. For a small timeframe Kayqubad also reigned over the
southern Crimea which was then under the Turkish rule. Sultan Kayqubad was also
referred to as “Kayqubad the Great.” Kayqubad the great sultan till today is
well known for His architectural style and marvelous court activities.
Kayqubad’s reign portrayed the brilliance of Seljuq glory, power and hold in
Anatolia. In his dynasty he was the most charming and celebrated and recognized
prince. People of Anatolia looked up to him in years that followed especially
during the 13th century Mongolian invasion. His reign was often
referred to as the Golden Period and rulers who succeeded after him wanted to
impose authority through pedigrees traced to him.
was the second in line to the throne. His father Sultan Kaykhusraw I gave him
the title ‘Malik’ and gave him the authority to govern an important town of
Anatolia called Tokat. Sultan Kaykhusraw died in the year 1211 following the
battle of Alasehir. Thereafter his sons Kaykaus and Kayqubad both struggled to
win the throne. To win the throne Kayqubad made allies with many such rulers
like Leo I the King of Cilician Armenia and Tughrilshah, and on the other hand the emirs supported Kaykaus.
Even after making allies initially he had to flee to the fortress at Ankara.
While in Ankara he approached the Turkman tribes of Kastamonu. Even after much
struggle Kayqubad was arrested and put behind bars by his elder brother Kaykaus
in one such fortress in West Anatolia.