Rukn al-Dīn Mesud Klada ibn Kilij Arslan or Mesud I (Modern or ''Masud'' () was the sultan of the

Sultanate of Rûm The Sultanate of Rum was a culturally Turco-Persian Sunni Muslim state, established over conquered Byzantine territories and peoples (Rum) of Anatolia by the Seljuk Turks following their entry into Anatolia after the Battle of Manzikert in 1071. ...

from 1116 until his death in 1156.

Reign

Following the defeat and death of his father Kilij Arslan fighting against Ridwan of

Aleppo Aleppo is a city in Syria, which serves as the capital of the Aleppo Governorate, the most populous Governorates of Syria, governorate of Syria. With an estimated population of 2,098,000 residents it is Syria's largest city by urban area, and ...

at the battle of Khabur river in 1107, Mesud lost the throne in favor of his brother Malik Shah. With the help of the

Danishmends The Danishmendids or Danishmends () were a Turkish dynasty. These terms also refer to the Turkish Anatolian Beyliks, state in Anatolia. It existed from 1071/1075 to 1178 and is also known as the Danishmendid Beylik (). The dynasty was centered or ...

, Mesud captured

Konya Konya is a major city in central Turkey, on the southwestern edge of the Central Anatolian Plateau, and is the capital of Konya Province. During antiquity and into Seljuk times it was known as Iconium. In 19th-century accounts of the city in En ...

and defeated Malik Shah in 1116, later blinding and eventually murdering him. Mesud would later turn on the Danishmends and conquer some of their lands. In 1130, he started construction of the Alâeddin Mosque in Konya, which was later completed in 1221. In 1146, Mesud successfully fended off a Byzantine attack on his capital and toward the end of his reign, fought against the armies of the

Second Crusade The Second Crusade (1147–1149) was the second major crusade launched from Europe. The Second Crusade was started in response to the fall of the County of Edessa in 1144 to the forces of Zengi. The county had been founded during the First Crus ...

, one led by Emperor

Conrad III of Germany Conrad III (; ; 1093 or 1094 – 15 February 1152) of the Hohenstaufen dynasty was from 1116 to 1120 Duke of Franconia, from 1127 to 1135 anti-king of his predecessor Lothair III, and from 1138 until his death in 1152 King of the Romans in t ...

and the other led by King

Louis VII of France Louis VII (1120 – 18 September 1180), called the Younger or the Young () to differentiate him from his father Louis VI, was King of France from 1137 to 1180. His first marriage was to Duchess Eleanor of Aquitaine, one of the wealthiest and ...

. Mesud defeated both of them; the first at the battle of Dorylaeum near modern

Eskişehir Eskişehir ( , ; from 'old' and 'city') is a city in northwestern Turkey and the capital of the Eskişehir Province. The urban population of the city is 821 315 (Odunpazari + Tebebasi), with a metropolitan population of 921 630. The city is l ...

in 1147 and the second army in Laodicea near modern

Denizli Denizli is a city in Aegean Region, Aegean Turkey, and seat of the province of Denizli Province, Denizli. The city forms the urban part of the districts Merkezefendi and Pamukkale, Denizli, Pamukkale, with a population of 691 783 in 2024. Denizl ...

in 1148. Emperor

Manuel I Komnenos Manuel I Komnenos (; 28 November 1118 – 24 September 1180), Latinized as Comnenus, also called Porphyrogenitus (; " born in the purple"), was a Byzantine emperor of the 12th century who reigned over a crucial turning point in the history o ...

persuaded Mesud I to attack Thoros II and demand his submission to the Sultan's suzerainty. However, the ensuing Seljuk attack, which in fact was provoked by an Armenian raid into Seljuk lands in

Cappadocia Cappadocia (; , from ) is a historical region in Central Anatolia region, Turkey. It is largely in the provinces of Nevşehir, Kayseri, Aksaray, Kırşehir, Sivas and Niğde. Today, the touristic Cappadocia Region is located in Nevşehir ...

in the winter of 1154, was routed successfully by Thoros in collaboration with a contingent of the

Knights Templar The Poor Fellow-Soldiers of Christ and of the Temple of Solomon, mainly known as the Knights Templar, was a Military order (religious society), military order of the Catholic Church, Catholic faith, and one of the most important military ord ...

When he died, Mesud was succeeded by his son Kilij Arslan II. Kamero, one of Mesud's daughters married John Tzelepes Komnenos, a member of the royal house of Komnenos who had converted to

Islam Islam is an Abrahamic religions, Abrahamic monotheistic religion based on the Quran, and the teachings of Muhammad. Adherents of Islam are called Muslims, who are estimated to number Islam by country, 2 billion worldwide and are the world ...

.''The Turkish Element in Byzantium, Eleventh-Twelfth Centuries'', Charles M. Brand, Dumbarton Oaks Papers, Vol. 43, (1989), 20.

References

12th-century sultans of Rum 1156 deaths Year of birth unknown Muslims of the Second Crusade {{MEast-royal-stub

Reign

See also

References