| Mesud I | |||||
|---|---|---|---|---|---|
_Half-length_facing_bust_of_Byzantine_emperor.jpg) Coinage of Rukn al-Din Mas'ud I. AH 510-551 (AD 1116-1156). Obverse: Half-length facing bust of Byzantine emperor. | |||||
| Seljuq Sultan of Rum | |||||
| Reign | 1116-1156 | ||||
| Predecessor | Malik Shah | ||||
| Successor | Kilij Arslan II | ||||
| Died | 1156 | ||||
| Issue | Kilij Arslan II | ||||
| |||||
| House | House of Seljuq | ||||
| Father | Kilij Arslan I | ||||
| Religion | Islam | ||||
Rukn al-Dīn Mesud Klada ibn Kilij Arslan or Mesud I (Modern Turkish: I. Rükneddin Mesud or Masud (Persian: ركن الدین مسعود) was the sultan of the Sultanate of Rûm from 1116 until his death in 1156.