Rükneddin Cihan Şah

Rüknüddin Cihanşah bin Tuğrul (1206'dan önce- 1230'dan sonra), Erzurum melikidir. Erzurum meliki Tuğrul Şah'ın oğludur. Annesi Ahlatşah beyi Seyfettin Baytimur'un kızıdır.^{[1]Djaparidze. 12. – 13. yüzyılda Gürcistan ve Yakın Doğu İslam dünyası. 1995, s. 181-182.} Cihanşah, Anadolu'daki sultanlığını çok sayıda oğlu arasında paylaştıran II. Kılıç Arslan'ın torunuydu. Kardeşi Gıyâseddin Türkanşah'tır.

II. Kılıç Arslan'ın oğlu II. Süleyman Şah'ın 1201-1202 yıllarında Ezurum'u fethetmesinden önce, Erzurum 1071'den 1202'ye kadar Saltuklular tarafından yönetiliyordu.^{[2]Quote: "The Saltuqids' main role in the political and military affairs of the time was in warfare with the Georgians, expanding southwards from the time of their king David the Restorer (1089-1125), often as allies of the Shah-i Armanids (see above, no. 97); but in a curious episode, Muhammad b. Saltuq II's son offered to convert to Christianity in order to marry the celebrated Queen T'amar of Georgia. The last years of the family are unclear, but in 598/1202 the Rum Seljuq Sulayman II, while en route for a campaign against the Georgians, put an end to the Saltuqids; and for some thirty years after this, Erzurum was to be ruled by two Seljuq princes as an appanage before Kay Qubadh I in 627/1230 incorporated it into his sultanate."} Bu fetihten sonraki 30 yıl boyunca Erzurum, iki Selçuklu meliki Tuğrul Şah ve oğlu Cihan Şah tarafından yönetildi.^{[2]Quote: "The Saltuqids' main role in the political and military affairs of the time was in warfare with the Georgians, expanding southwards from the time of their king David the Restorer (1089-1125), often as allies of the Shah-i Armanids (see above, no. 97); but in a curious episode, Muhammad b. Saltuq II's son offered to convert to Christianity in order to marry the celebrated Queen T'amar of Georgia. The last years of the family are unclear, but in 598/1202 the Rum Seljuq Sulayman II, while en route for a campaign against the Georgians, put an end to the Saltuqids; and for some thirty years after this, Erzurum was to be ruled by two Seljuq princes as an appanage before Kay Qubadh I in 627/1230 incorporated it into his sultanate."}

Cihanşah Ahlat Kuşatması'na katıldı.^{[3]Journal of the Pakistan Historical Society. Pakistan Historical Society., 1976, s. 123.}

1230'da Yassı Çimen Muharebesi'nde yenilene kadar Celaleddin Harezmşah ile ittifak kurdu.^{[4]Sinclair, Thomas. Eastern Trade and the Mediterranean in the Middle Ages: Pegolotti’s Ayas-Tabriz Itinerary and its Commercial Context. Routledge, 6 Aralık 2019, s. Note 106.}

Erzurum 1230 yılında Alaeddin Keykubad. tarafından fethedildi.^{[2]Quote: "The Saltuqids' main role in the political and military affairs of the time was in warfare with the Georgians, expanding southwards from the time of their king David the Restorer (1089-1125), often as allies of the Shah-i Armanids (see above, no. 97); but in a curious episode, Muhammad b. Saltuq II's son offered to convert to Christianity in order to marry the celebrated Queen T'amar of Georgia. The last years of the family are unclear, but in 598/1202 the Rum Seljuq Sulayman II, while en route for a campaign against the Georgians, put an end to the Saltuqids; and for some thirty years after this, Erzurum was to be ruled by two Seljuq princes as an appanage before Kay Qubadh I in 627/1230 incorporated it into his sultanate."}